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  • 8-1 Hidden Trails Hike

    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Saturday, August 1; 10:00am-12:00pm Hidden Trails Hike – Ages 8+. Join a naturalist as we discover some of the lesser-known trails in the park. $2.00/person REGISTRATION REQUIRED

    $2

  • 8-2 Discovering Dragonflies

    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Sunday, August 2; 1:00pm-2:30pm Discovering Dragonflies – All Ages. Did you know that dragonflies are apex predators of the insect world? Learn fun facts about these "hawks of the insect world" as we search for them! FREE REGISTRATION REQUIRED

  • 30’s and Birdies

    30’s and Birdies
    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Three Summer Events!    Register for one or for all! Join other 30-year olds for a casual hike (2 miles) scouting for non-migratory resident birds of Cromwell Valley Park along the Minebank Run and in some of our old-growth fields.    Get your appetite whet for fall migration, with more dates coming soon! Cost is

    $5

  • 8-8 Mean Green Meat-Eating Machine

    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Saturday, August 8; 1:00pm-2:30pm Mean Green Meat-Eating Machine – Ages 10+. Meat eating plants?! Learn about these other worldly native plants that trap and kill prey in order to survive. Bring one home to raise as your own! $6/person REGISTRATION REQUIRED

    $6

  • 8-9 Cyanotype Prints

    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Sunday, August 9; 12:00pm-1:00pm Cyanotype Prints – Ages 10+. Join a naturalist on a guided hike to collect leaves, flowers, and sticks. With a little sun and some special paper, you can leave your mark with your own cyan print! $3.00/person REGISTRATION REQUIRED

    $6

  • 5-mile Hike the Hills

    Sherwood House at Cromwell Valley Park 2002 Cromwell Bridge Road, PARKVILLE, MD, United States

    Tuesday, August 11th at 5:45 pm Join us for an advanced-level 5 mile hike on the upper trails of Cromwell Valley Park.     Enjoy an evening  hike at a moderate pace from the Sherwood House up to highests elevation in the park and then back to the Sherwood House.     Please only register if physically able

    $10

  • 8-15 Lunch For Our Feathered Bunch

    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Saturday, August 15; 1:00 pm-2:00pm Lunch For Our Feathered Bunch – All Ages. Join a naturalist to help us feed our feathered friends and to discover that they are not picky eaters! $3.00/person REGISTRATION REQUIRED

    $3

  • 8-16 Insect Sing-a-Long

    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Sunday, August 16; 10:00am-11:30am Insect Sing-a-Long – All Ages. Many insects are just now getting their voices, even though they were there all along. Why sing now? Join a naturalist to find these insects and learn why they are beginning to make themselves heard. We have the nets! FREE  REGISTRATION REQUIRED

  • 8-22 Primitive Technology: The Ancient Sling

    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Saturday, August 22; 1:00pm-3:00pm Adults 18+. The sling has been used for thousands of years. It can make a rock go from zero to 90 miles an hour. That is what made it a formidable weapon. Join us to make one to take home! $12.00/person REGISTRATION REQUIRED

    $12

  • Women’s and Non-Binary 3.5 mile Hike

    Sherwood House at Cromwell Valley Park 2002 Cromwell Bridge Road, PARKVILLE, MD, United States

    Join us for an evening hike for women and non-binary folks.  We’ll hike a loop of 4 miles at a moderate pace, exploring the park’s beautiful woodland trails and old-growth meadows. We’ll cross a couple of streams and climb a hill or two – a nice challenge! This hike is a dedicated, welcoming space for

    $5

  • 8-28 Campfire Cooking Under the Full Moon

    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Friday, August 28; 7:30pm-9:00pm Campfire Cooking Under the Full Moon – Ages 8+. Enjoy a night hike under the full Sturgeon Moon and learn how to cook delicious, simple meals over an open flame! Participants prepare classic campfire dishes while practicing safe fire-building and cleanup techniques. $6/person REGISTRATION REQUIRED

    $6

  • 8-29 Two Dam Hike Redux

    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Join us for some guided hiking in Cromwell Valley Park. Meeting place: We’ll begin from the Sherwood side. Cromwell Valley Park has two entrances. Please use the first entrance off Cromwell Bridge Road (if coming from the Beltway) - 2002 Cromwell Bridge Road, Parkville, MD 21234. Meeting at the picnic tables in front of the

    $5

  • Volunteer – Habitat Restoration

    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    August 15  10 am-noon August 29  10 am-noon September 12  10am-noon September 26 10am-noon We will remove invasive plants from the park and in warmer weather, also plant natives and maintain restored habitat – great opportunities for high school students for community service and volunteers who like to work outdoors. We usually meet at the

  • 8-29 Migrating Monarchs

    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Saturday, August 29; 1:00pm-3:00pm Migrating Monarchs – Ages 5+. An animal that migrates thousands of miles with no map?! How do they do it? Where do they go? Join us as we observe, capture, tag, and release these delicate insects to help track them for science. $3.00/person  REGISTRATION REQUIRED

    $3

  • 30’s and Birdies – Fall Migration – 8/30

    McFaul's Ironhorse Tavern 2260 Cromwell Bridge Road, Parkville, MD, United States

    Join other 30-year olds for a casual hike (2 miles) scouting for migratory birds of Cromwell Valley Park along the Minebank Run and in some of our old-growth fields.    Anything goes during Fall Migration! Cost is $5 per person with all funds supporting Cromwell Valley Park Council, Inc., the 100% volunteer 501(c)(3) non-profit organization

    $5

  • 8-30 Forest Bathing

    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Sunday, August 23; 9:00am-11:00am Forest Bathing – Ages 16+. A technique by which one becomes attuned to the environment through mindful concentration. Based on the Japanese practice known as shinrin-yoku. $12.00/person REGISTRATION REQUIRED

    $12

  • 8-30 Terrarium Building Workshop

    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Sunday, August 30; 1:00pm-2:30pm Terrarium Building Workshop – Ages 8+. Build your own miniature world! Participants design glass terrariums using soil, moss, rocks, and plants while learning how these small ecosystems work. A relaxing, hands-on activity that combines creativity, ecology, and a beautiful take-home creation. $12.00/person REGISTRATION REQUIRED

    $12

  • 9-4 Trail with Tots

    9-4 Trail with Tots
    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Fridays, September 4 at 10:00am-11:00am Trails with Tots 5+ w/Adult - Join the naturalists this fall on the 1st and 3rd Friday, September-November, from 10:00am-11:00am, and enjoy the benefits of being active outdoors with your little ones! FREE! REGISTRATION REQUIRED

  • Volunteer to Paint the Sherwood Fence

    Sherwood House Entrance 2002 Cromwell Bridge Road, Baltimore, MD

    WE LOOK FORWARD TO HAVING YOU VOLUNTEER WITH CROMWELL VALLEY PARK. Please join Cromwell Valley Park Council as we host volunteer service days to scrape and paint the Sherwood Fence through these dates in September.  This year, due to the construction that has closed the Willow Grove entrance to the park, visitors for the Fall

  • 9-5 Escape from Sherwood House

    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Saturday, September 5 at 12:00pm-1:00pm Escape from Sherwood House – Ages 12+. Join us for a spooky tour of the Sherwood House and try to find the clues to secure your escape! $6.00/person REGISTRATION REQUIRED

    $6

  • 9-5 Jam Session

    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    When: Saturday September 5th, 2:00 until 4:30 pm Summer Jam Session - Ages 16+. Play along with old time tunes or just stop in for a listen!  Bring your instrument and a chair, and join us in the Beech Grove on Sherwood Lawn.  In inclement weather, the fun will continue inside Sherwood House or the

  • 9-6 The Secret Life of Vines

    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Sunday, September 6 at 10:00am to 11:30am The Secret Life of Vines– Ages 12+.  Vines are some of the forest’s most fascinating climbers. On this program, we’ll explore the park to discover how different vines grow, climb, and compete for sunlight. Along the way, we’ll learn to identify several common species and talk about their

    $3

  • Slow Birding for CVPC Members – Migration Time

    Sherwood House Entrance 2002 Cromwell Bridge Road, Baltimore, MD

    Monday, September 7th - Slow-birding for Migration Join us for the height of fall migration for a slow-paced bird walk around the Minebank Run trail looking for migratory birds. Meeting place: We’ll begin from the Sherwood side. Cromwell Valley Park has two entrances. Please use the first entrance off Cromwell Bridge Road (if coming from

    $5

  • 9-7 Meadow Singers

    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Sunday, September 7 at 1 PM to 2:30 PM Meadow Singers – All Ages.  These important fall flowers are important to pollinators. Join a naturalist on a meadow walk to learn more about the benefits of these fall bloomers. Then return to the nature center to make a flower craft. $3/person.  REGISTRATION REQUIRED

    $3

  • Volunteer to Paint the Sherwood Fence

    Sherwood House Entrance 2002 Cromwell Bridge Road, Baltimore, MD

    WE LOOK FORWARD TO HAVING YOU VOLUNTEER WITH CROMWELL VALLEY PARK. Please join Cromwell Valley Park Council as we host volunteer service days to scrape and paint the Sherwood Fence through these dates in September.  This year, due to the construction that has closed the Willow Grove entrance to the park, visitors for the Fall

  • 9-12 Glen Ellen Hike

    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Join us for some guided hiking in Cromwell Valley Park and Loch Raven. Members-only event. Meeting place: We’ll begin from the Sherwood side. Cromwell Valley Park has two entrances. Please use the first entrance off Cromwell Bridge Road (if coming from the Beltway) - 2002 Cromwell Bridge Road, Parkville, MD 21234. Meeting at the picnic

    $5

  • 9-12 Golden Truths About Goldenrods and Aster

    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Saturday, September 12 at 10:00 AM to 11:00 AM Golden Truths About Goldenrods and Aster – All Ages.  Take a history tour of the Sherwood Mansion and get a little “behind the scenes” look at this home that was built in 1935. Join us at the end for a brief English-style teatime. $3/person. REGISTRATION REQUIRED

    $3

  • 30’s and Birdies – Fall Migration – 9/13

    Sherwood House at Cromwell Valley Park 2002 Cromwell Bridge Road, PARKVILLE, MD, United States

    Join other 30-year olds for a casual hike (2 miles) scouting for migratory birds of Cromwell Valley Park along the Minebank Run and in some of our old-growth fields.    Anything goes during Fall Migration! Cost is $5 per person with all funds supporting Cromwell Valley Park Council, Inc., the 100% volunteer 501(c)(3) non-profit organization

    $5

  • 9-13 Earth Skills Workshop Rendezvous

    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Sunday, September 13 at 10:00 AM to 4:00 PM Earth Skills Workshop Rendezvous – Ages 10+ -- Have you ever wanted to try your hand at flint knapping - the ancient practice of shaping stone into projectile points? Or learn to make a survival bow from natural materials that will help keep you alive in

    $3

  • Yoga – Mindful Outdoor Experience – Wellness Wednesday – 60 Minutes

    Sherwood House at Cromwell Valley Park 2002 Cromwell Bridge Road, PARKVILLE, MD, United States

    WELLNESS WEDNESDAYS!   Mindful Outdoor Experience A Shared Journey of Movement, Mindfulness, and Connection with the Land 1 hour yoga $25 for Members / $30 non-Members Step into a restorative outdoor experience designed to reconnect you with the wisdom of the natural world, your body, and community. Through brief place orientation, off-the-mat yoga movement, an easeful

    $30

  • 9-18 Trail with Tots

    9-18 Trail with Tots
    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Friday, September 18 at 10:00am-11:00am Trails with Tots 5+ w/Adult - Join the naturalists this fall on the 1st and 3rd Friday, September-November, from 10:00am-11:00am, and enjoy the benefits of being active outdoors with your little ones! FREE! REGISTRATION REQUIRED

  • NOWN – Chesapeake Working Landscape: Past, Present, and a Hopeful Future – September 18, 2026

    Sherwood House at Cromwell Valley Park 2002 Cromwell Bridge Road, PARKVILLE, MD, United States

    September 18, 2026 – Dr. Wayne Bell "The Chesapeake Working Landscape: Past, Present, and a Hopeful Future" A history of land use on the Chesapeake Bay watershed, from pre-colonial times to the present, and insights that land use changes provide for bird conservation. Background - Dr. Bell is Senior Associate and former Director of the

    $10

  • Birding with Celebrity Guide – Kojo Baidoo

    Sherwood House at Cromwell Valley Park 2002 Cromwell Bridge Road, PARKVILLE, MD, United States

    Saturday, September 19th from 8 am - 10 am Join us for the height of fall migration with celebrity birder, Kojo Baidoo.   Winner of the World Series of Birding in 2022 and has been featured in NPR when his Princeton team (Tiger Shrikes) spotted 205 species of birds in a 24-hour period! Kojo has had

    $10

  • 9-19 Farmer Kids: From Garden to Table

    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Saturday, September 19 at 9:30 AM – 11:00 AM Farmer Kids: From Garden to Table – Ages 5-12 with an adult. Monthly gardening series where kids plant, harvest, cook, and eat! At each session, we’ll learn what can be planted at that time of year and the proper way to plant it. Then we’ll harvest

    $12

  • 9-20 Trail Runners

    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Sunday, September 20 at 10:00 to 11:00am Trail Runners – Ages 16+. Want to get active with a group of like-minded people? Join a naturalist on a leisurely 1.5 mile run through the park. We’ll start and end the run with some group stretches! FREE! REGISTRATION REQUIRED

  • 30’s and Birdies – Fall Migration – 9/21

    Sherwood House at Cromwell Valley Park 2002 Cromwell Bridge Road, PARKVILLE, MD, United States

    Join other 30-year olds for a casual hike (2 miles) scouting for migratory birds of Cromwell Valley Park along the Minebank Run and in some of our old-growth fields.    Anything goes during Fall Migration! Cost is $5 per person with all funds supporting Cromwell Valley Park Council, Inc., the 100% volunteer 501(c)(3) non-profit organization

    $5

  • Yoga – Mindful Outdoor Experience – Weekend – 90 Minutes

    Sherwood House at Cromwell Valley Park 2002 Cromwell Bridge Road, PARKVILLE, MD, United States

    Mindful Outdoor Experience: A Shared Journey of Movement, Mindfulness, and Connection with the Land 1 hour yoga $25 for Members / $30 non-Members 90 minute yoga $30 for Members / $35 non-Members Step into a restorative outdoor experience designed to reconnect you with the wisdom of the natural world, your body, and community. Through brief

    $35

  • Volunteer to Paint the Sherwood Fence

    Sherwood House Entrance 2002 Cromwell Bridge Road, Baltimore, MD

    WE LOOK FORWARD TO HAVING YOU VOLUNTEER WITH CROMWELL VALLEY PARK. Please join Cromwell Valley Park Council as we host volunteer service days to scrape and paint the Sherwood Fence through these dates in September.  This year, due to the construction that has closed the Willow Grove entrance to the park, visitors for the Fall

  • 30’s and Birdies – Fall Migration – 9/29

    McFaul's Ironhorse Tavern 2260 Cromwell Bridge Road, Parkville, MD, United States

    Join other 30-year olds for a casual hike (2 miles) scouting for migratory birds of Cromwell Valley Park along the Minebank Run and in some of our old-growth fields.    Anything goes during Fall Migration! Cost is $5 per person with all funds supporting Cromwell Valley Park Council, Inc., the 100% volunteer 501(c)(3) non-profit organization

    $5

  • Yoga – Mindful Outdoor Experience – Wellness Wednesday – 60 Minutes

    Sherwood House at Cromwell Valley Park 2002 Cromwell Bridge Road, PARKVILLE, MD, United States

    WELLNESS WEDNESDAYS!   Mindful Outdoor Experience A Shared Journey of Movement, Mindfulness, and Connection with the Land 1 hour yoga $25 for Members / $30 non-Members Step into a restorative outdoor experience designed to reconnect you with the wisdom of the natural world, your body, and community. Through brief place orientation, off-the-mat yoga movement, an easeful

    $30

  • NOWN – Native Plants for Fall with Carrie Engel – October 16, 2026

    Sherwood House at Cromwell Valley Park 2002 Cromwell Bridge Road, PARKVILLE, MD, United States

    October 16, 2026 – Carrie Engel – Native Plants For Fall – Why is fall a great time to plant natives? Which natives have fall color and/or flowers?  Which native plants are migrating pollinators attracted to?  Let’s dive into fall natives and learn about these and other subjects.  Samples and a slide show will be

    $10

  • 10-17 Hike the Park Perimeter

    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Join us for some guided hiking in Cromwell Valley Park.  Members-only event. Meeting place: We’ll begin from the Sherwood side. Cromwell Valley Park has two entrances. Please use the first entrance off Cromwell Bridge Road (if coming from the Beltway) - 2002 Cromwell Bridge Road, Parkville, MD 21234.  Meeting at the picnic tables in front of the

    $5

  • Yoga – Mindful Outdoor Experience – Weekend – 90 Minutes

    Sherwood House at Cromwell Valley Park 2002 Cromwell Bridge Road, PARKVILLE, MD, United States

    Mindful Outdoor Experience: A Shared Journey of Movement, Mindfulness, and Connection with the Land 1 hour yoga $25 for Members / $30 non-Members 90 minute yoga $30 for Members / $35 non-Members Step into a restorative outdoor experience designed to reconnect you with the wisdom of the natural world, your body, and community. Through brief

    $35

  • Polliwogs! Tuesdays

    Polliwogs! Tuesdays
    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Tuesdays, September 15 to October 20 at 10:30 AM to 11:30 AM Polliwogs! - Ages 2 to 5, with an Adult. Discovering nature is a lifelong journey. In this class, you and your little one will explore the natural world through hands-on activities, nature play, stories and crafts. Non-mobile siblings only, parent/guardian must be an

    $60

  • Polliwogs! Wednesdays

    Polliwogs! Wednesdays
    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Wednesdays, September 16 to October 21 at 10:30 AM to 11:30 AM Polliwogs! - Ages 2 to 5, with an Adult. Discovering nature is a lifelong journey. In this class, you and your little one will explore the natural world through hands-on activities, nature play, stories and crafts. Non-mobile siblings only, parent/guardian must be an

    $60

  • Mondays & Thursdays – Adult Garden Club

    Mondays – Adult Garden Club
    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Mondays April 6- Oct. 26  8:30am-10:30am & Thursdays April 9 - Oct. 29  8:30am-10:30am Ages 18+. Do you enjoy gardening, but don’t have the space or a deer-proof fence? Join like-minded green thumbs (and beginner brown thumbs) to grow your own vegetables, herbs and flowers and tend to our shared garden plots. We’ll provide the

    $46

  • Yoga – Mindful Outdoor Experience – Wellness Wednesday – 60 Minutes

    Sherwood House at Cromwell Valley Park 2002 Cromwell Bridge Road, PARKVILLE, MD, United States

    WELLNESS WEDNESDAYS!   Mindful Outdoor Experience A Shared Journey of Movement, Mindfulness, and Connection with the Land 1 hour yoga $25 for Members / $30 non-Members Step into a restorative outdoor experience designed to reconnect you with the wisdom of the natural world, your body, and community. Through brief place orientation, off-the-mat yoga movement, an easeful

    $30

  • Yoga – Mindful Outdoor Experience – Weekend – 90 Minutes

    Sherwood House at Cromwell Valley Park 2002 Cromwell Bridge Road, PARKVILLE, MD, United States

    Mindful Outdoor Experience: A Shared Journey of Movement, Mindfulness, and Connection with the Land 1 hour yoga $25 for Members / $30 non-Members 90 minute yoga $30 for Members / $35 non-Members Step into a restorative outdoor experience designed to reconnect you with the wisdom of the natural world, your body, and community. Through brief

    $35

  • NOWN – Bats: Your Yard’s Best Friends – November 20, 2026

    Sherwood House at Cromwell Valley Park 2002 Cromwell Bridge Road, PARKVILLE, MD, United States

    Bats:   Kerry Wixted presenting the benefits of having bats in your yard November 20, 2026 6:00 - 8:00 pm  in the Sherwood House    $10 p/person drinks and desserts provided - Ages 18+

    $10

  • 9-2 Autumn Senior Stroll

    9-2 Autumn Senior Stroll
    Cromwell Valley Park 2175 Cromwell Bridge Road, Parkville, MD, United States

    Wednesdays, September 2 to November 25 at 9:30 to 10:30 AM Autumn Senior Stroll – Ages 55+. Walking in nature provides benefits to both the mind and body.  Enjoy a relaxing stroll with one of our Naturalists along some of Cromwell Valley’s less strenuous trails.  Meet at Sherwood House. FREE!  REGISTRATION REQUIRED