Calendar of Events

Upcoming by Date

  • Trail Stewards Hikes - Green Ribbon Trail & GA Wetlands

    6:30 p.m.

    Come see the ins and outs of our trails through the eyes of the Trail Stewards.  New starting this spring, our dedicated group of volunteers will led three sessions to explore our trails.

    Led by Michael Kleiman, this hike downstream will explore the Green Ribbon Trail around Germantown Academy, our newest stepping stone creek crossing, and Germantown Academy's newly restored wetlands.


  • A Bird in the Hand: Banding at the WVWA MAPS Station

    8:30 a.m.

    Visit WVWA’s banding site and see bird banding in action! Learn about avian conservation and research techniques, and find out what information can be collected by catching wild birds.

  • The Bird Feeding Garden

    7:00 p.m.

    How to provide wild foods for wild birds 12 months a year!
    There are two ways to feed birds – buying birdseed and filling feeders every few days…or by planting the plants they will eat for years or even generations to come.  Learn what plants our native birds look to for food, shelter and nesting.

  • Pine Barrens Discovery Tour

    11:00 a.m. - 7:00 p.m.

    Join us for a unique exploration of the Pine Barren’s diverse ecosystems. Guided by Pinelands Adventures Naturalist, John Volpa, we’ll hike and paddle along the edges of the Mullica River and discover its many secrets. 

  • Evans-Mumbower Mill Open House

    Antique Fire Truck Show

    1:00 - 4:00 p.m.

    Bring Dad (and Mom too!) to see a variety of antique fire trucks for Father’s Day. Take a tour of the mill to see the water-powered gristmill in action.

  • Tex Mex 5k Race for Open Space

    Come for the race and stay for the Party-Under-the-Starts.  Register to run the race or volunteer and enjoy dinner, music and a Tex Mex Margarita.  Registration opens April 1!

  • Moth - The Silent Majority

    7:00 - 9:00 p.m.

    Back by popular demand! Discover the mysterious creatures of the night that fly under the cover of darkness with Blaine Rothauser, a lifetime naturalist and biologist who is President of BR Environmental Services. A talk and slide show is followed by moth “catching”, utilizing a special screen in WVWA’s courtyard. 


  • Butterfly Walk

    10:00 a.m. - 12:00 p.m.

    Join Blaine Rothauser to discover the many varieties of butterflies that might be found in the meadows of Willow Lake Farm. A brief talk about meadow ecology will be followed  by a natural history tour and adventure. 

  • Bird Walk at Willow Lake Farm

    8:00 a.m.

    Willow Lake offers breeding habitat for over 40 bird species. By late June, many are nesting and already beginning to raise young. Come learn about these nesting birds and how fledglings are cared for, and see how many species you can see and hear!

  • Nature Stroll at Crossways Preserve

    1:30 p.m.

    The 57 acres of Crossways Preserve offers meadows with native grasses and wildflowers, stands of towering hardwood trees, and wetlands with cattails. Join us for a guided walk through this beautiful landscape, and learn about ecological succession and meadow ecology while looking for birds and butterflies.

  • Evans-Mumbower Mill Open House

    Old Fashioned Ice Cream Social

    1:00 - 4:00 p.m.
    Take a break from the heat and join us for a cool treat and a tour of the water-powered gristmill.  

  • Movie Screening - THE MESSENGER

    7:30 p.m.

    Join WVWA for a special, one-night screening of Su Rynard’s beautiful and contemplative documentary THE MESSENGER. The film takes viewers from the northern reaches of the Boreal Forest to the base of Mount Ararat and the urban streets of New York to tell the story of the mass depletion of songbirds on multiple continents, and of those who are working to turn the tide.

  • Trail Stewards Hikes - Four Mills Reserve

    10:00 a.m.

    Come see the ins and outs of our trails through the eyes of the Trail Stewards.  New starting this spring, our dedicated group of volunteers will led three sessions to explore our trails.

    Deb Slater will lead this Figure 8 hike of Four Mills Nature Reserve.  Come explore the Green Ribbon Trail and its spur trails and see what sort of hidden treasures can be found here.

  • Evans-Mumbower Mill Fall Festival

    1:00 - 4:00 p.m.

    Celebrate traditions from times past at the Fall Mill Festival.  Take a tour of Montgomery County's only water-powered gristmill and experience many hands-on, family-friendly demontrations including tin smithing, corn husk dolls, Lenni-Lenape story teller, antique cars and more.

  • Walk on the Wild Side

    8:00 a.m. start

    Take a guided walk on the 21-mile Green Ribbon Trail and support WVWA's mission of protecting land, water and life in the Watershed. Start in North Wales and follow the Trail along Wissahickon Creek for the either 5, 8,13 or all 21 miles. All of the walks are guided and you are bussed back to the starting point.

  • Green Ribbon Gala at Tunnel Farm

    We invite you to join us at Tunnel Farm for the seventh annual Green Ribbon Gala. Each autumn, guests gather at a unique venue to enjoy an evening celebrating a legacy of conservation and land preservation in the Wissahickon Valley Watershed.  More details and ticket information coming soon.

  • Evans-Mumbower Mill

    The Ghost of Henry Mumbower & Pumpkin Painting

    5:00 - 8:00 p.m.

    Don’t miss this slightly spooky but fun evening when old Henry Mumbower and his family revisit his Mill to see how it is operating today. Relax and roast marshmallows and enjoy some seasonal cider. Come early to paint your own pumpkin from 5-6pm.

  • Green Ribbon Trail Race

    9:00 a.m. start

    Save the Date for the Green Ribbon Trail Race. This 5-mile race starts at Parkside Place Park and follows the Green Ribbon Trail downstream, turns onto Swedesford Road and Evergreen Drive. Circle through Natural Lands Trust’s Gwynedd Wildlife Preserve and reconnect with the Green Ribbon Trail back to the start.  More details and registration info coming in Fall 2016.

  • Evans-Mumbower Mill Open House

    Open House & Trail Walk

    1:00 - 4:00 p.m.
    After touring the Mill, take a walk along the former millrace that fed the mill, to locate the remnants of the dam in the Upper Wissahickon. The walk will begin at 2:00 pm and last approximately an hour. Please wear sturdy shoes or boots!