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  • 6-7 Nature on Film: Make Your Own Camera

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

    Sunday, June 7; 1:00pm-3:00pm Nature on Film: Make Your Own Camera – Ages 10+. Join a naturalist to create your own camera out of a recycled can and go on a hike to learn photography techniques. Personal cameras and cell phones welcome! $2.00/person REGISTRATION REQUIRED

    $2
  • 6-13 Fishing with a Ranger

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

    Saturday, June 13; 9:00am-11:00am Fishing with a Ranger – Ages 6+. Join us to try your hand at catching a panfish out of the Gunpowder River. We supply the worms and the rods! $3.00/person REGISTRATION REQUIRED

    $3
  • Two Dam Hike

    Sherwood House Entrance 2002 Cromwell Bridge Road, Baltimore, MD
    $10
  • 6-14 Arthropod Adventure

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

    Sunday, June 14 at 1:00 PM to 2:00 PM Arthropod Adventure – All Ages Two, four, six, eight, ten legs! Join a naturalist as we search under logs and rocks for our local insects, many-legged millipedes and other critters! $2.00/person.  REGISTRATION REQUIRED 

    $2
  • 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
  • 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
  • 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