How do you want to engage with nature?
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Volunteer hours supported stewardship and trails projects, and the Community Science and Creek Watch programs
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Students from 9 local schools participate in our environmental education program annually
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Acres of land protected
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Gallons of stormwater managed by green stormwater projects annually
Our Mission
We inspire and engage diverse communities of people to protect, steward, and enjoy the land and waterways of the Wissahickon Valley in Montgomery County.
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Upcoming Events
Come enjoy a serene section of the Wissahickon watershed on this 3 mile hike. This loop hike will begin and end at the historic Evans-Mumbower Mill, traveling along the Green Ribbon Trail, through Natural Lands' Gwynedd Preserve, across three stream crossings, and back on the Green Ribbon Trail to the Mill.
Hike
Everyone
Take a tour of Montgomery County's only water-powered gristmill and experience many hands-on, family-friendly demonstrations. Explore how the power of water and gravity transformed food production and helped establish the surrounding community.
Local History
Family Friendly
Everyone
Help us document the biodiversity at Crossways Preserve using iNaturalist. City Nature Challenge is a global celebration of biodiversity in and around urban areas. Over 3.3 million observations and over 73,000 species were identified by 102,945 participants in 2025.
Community Science
Everyone
Family Friendly
Volunteer for the 57th Annual Wissahickon Creek Clean Up on Saturday, April 25th. This is the perfect outdoor event to show your support and love for a clean Wissahickon watershed.
Volunteer
Family Friendly
Help us document the biodiversity at Briar Hill Preserve using iNaturalist. Participants should bring an electronic device with iNaturalist downloaded and a free account already set-up or a camera.
Community Science
Family Friendly
Everyone
Monthly Serve The Preserve days (outdoor volunteer stewardship opportunities) will take place at Penllyn Natural Area where we will conduct a series of projects designed to enrich the health of the plant and animal life and improve the experience of trail users that visit.
Volunteer
Support Wissahickon Trails and enjoy free libations from local businesses.
Hike Local. Drink Local.
Purchase an Ales for Trails Passport for $50 from Wissahickon Trails and receive one free item at participating breweries, wineries, and distilleries.
Your participation supports both our local businesses crafting delicious beverages and Wissahickon Trails’ efforts to protect open space, maintain the trails and improve water quality in the Wissahickon watershed.
Receive trail updates, event info, volunteer opportunities, and news!
What is a watershed?
A watershed is an area of land that channels rainfall and snowmelt to a common body of water, such as creeks, streams, and rivers. The Wissahickon watershed is 64 square miles and covers portions of Montgomery and Philadelphia counties. It is defined by the land-area where rainfall and snowmelt flows into the Wissahickon Creek and its tributaries.
Trailblazer
I love Wissahickon Trails [formerly WVWA] and what it brings to our communities - hiking, outdoor recreation, from very active running to very quiet contemplation or bird watching - it's all amazing. My hope and my goal is to keep working with them to introduce more people to this beautiful set of trails. To keep building trail connections to the neighborhoods where people live.
Harm Scherpbier, Volunteer
VolunteerWissahickon Trails Store
Represent Wissahickon Trails and support your local trails, wildlife, and waterways! A portion of every sale will be donated to Wissahickon Trails.
Five Shirt Designs in a Variety of Styles, Colors, & Adult/Youth Sizes
Coffee Mugs
Tote Bags
Baseball Hats
Bucket Hats