Calendar of Events

Upcoming by Date

  • From Soup to Owls

    6:30 p.m. - 9:30 p.m.

    Gather at WVWA Headquarters for a light supper of soup and banter of owls and birds. Warmed over, we’ll then go to the Willow Lake Preserve in search of owls under the light of the full moon. With early spring, Screech Owl, Great Horned Owl and even the Barred Owl can be heard or less seldom seen in local nature sanctuaries. Led by WVWA Executive Director Dennis Miranda, learn the voice calls and responses of neighborhood owls and their life history. Join us, it will be a hoot!

  • Rain Barrel Workshop

    7:00 p.m.

    Back by popular demand, you’ll make your own take-away rain barrels. Rain barrels reduce runoff, collect storm water for later use, and save time and money. Learn how to install and use your own rain barrel in this informative workshop. Each participant will assemble a rain barrel to take home. So bring a vehicle large enough to transport your new rain barrel!

  • Rain Garden Workshop

    7:00 p.m. - 9:00 p.m.

    Come learn about the most beautiful way to conserve water - building your own rain garden! Simple to install and maintain, rain gardens are indeed a thing of beauty. Rain gardens also help to protect water quality by reducing stormwater runoff from your property.  Learn where to site, how to build and what to plant in your rain garden.

  • Tree ID Walk with Ken LeRoy

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

    Join Arborist Ken LeRoy on a tree-themed exploration of Armentrout Preserve and Camp Woods.  Located in Whitpain Township, the Armentrout Preserve loop trail connects with the Camp Woods trail.  We’ll visit the quiet woods of Beech, Tulip-poplar, and Hickory that are bordered by open fields 


  • Birding Basics Classes

    This beginner level course of three classes concentrates on the basics of bird identification and techniques for binocular use.  Birding experts, Amy Johns and Jamie Stewart, will offer you individual attention and expert tips, as you learn to focus your binoculars on the many birds of the Wissahickon.

    Sunday, March 29 | Sunday, April 12 | Sunday, April 26

  • Serve the Preserve

    9:00 a.m.

    Help WVWA begin our restoration efforts this spring at our newest preserve, the Piszek Preserve.  The Piszek Preserve is a 33 acre floodplain forest on the banks of the Sandy Run in Oreland. Volunteers will plant native trees and shrubs along creek.  Please wear sturdy shoes for digging, and bring a shovel and gloves if you have them; otherwise we will provide.

  • In Search of Salamanders, Frogs and More!

    10:00 a.m. - 1:00 p.m.

    Early spring is the best time to catch a glimpse of amphibians coming out of hibernation. Join Scott Angus, biologist with the RBA Group, on a tour of ponds, streams and pools of the Four Mills Preserve in search salamanders, frogs and more. Mr. Angus will give you a life history of amphibians and how they are threatened by everything from development to global warming.

  • Evans-Mumbower Mill Open House

    1:00 p.m. - 4:00 p.m.

    First Open House of the 2015 Season
    Come start the 2015 season at the Evans-Mumbower Mill!  Feel the excitement of rumbling stones, hear the splash of water over the wheel, and witness the cornmeal as it spills down a chute and into a barrel below.

  • Creek Clean Up

    Be part of the 45th annual Creek Clean Up of the Wissahickon Creek and its many tributaries.  Help WVWA clean up the trail and the creek bed too. Volunteers are pre-assigned to sections of the Creek and trail. WVWA will supply you with a map of your section, the appropriate number of bags and the location of where you should deposit the trash for pick-up by the local municipalities.  Canoes are also needed to help clean the deeper parts of the creek.

  • Beginners Garden Design Using Native Plants

    6:30 p.m. - 8:30 p.m.
    Attendees can shop at the Native Plant Sale starting at 5:30 p.m.

    Starting a new garden? Redesigning an existing garden?  Consider using a naturalistic approach.  The naturalistic garden celebrates the interaction of plants with insects and wildlife. It creates a lively and environmentally friendly landscape.

  • Native Plant Sale

    Members Only - Friday, May 1, 2:00 p.m. - 5:00 p.m.
    General Public - Saturday, May 2, 9:00 a.m. - 1:00 p.m.

    Over 100 species of perennials, vines, ferns, shrubs and trees will be offered for sale at WVWA’s Spring Native Plant Sale. Knowledgeable staff and volunteers will answer questions and help you to select the native plants which are best suited for your garden site.  Plants will be available on a first come, first serve basis. 

  • WVWA 21st Annual Birdathon

    WVWA invites all birders to join the 21st annual Wissahickon Birdathon.  During this friendly, two-day competition, teams canvass the Wissahickon Watershed and strive to identify the greatest number of bird species.  Birders of all ages and skill levels are encouraged to join the fun, bird as much or as little as they choose to and enjoy the camaraderie of their fellow birders.  

  • Wissahickon: Creek in Crisis - Time for Action

    5:30 p.m. - 8:00 p.m.

    Hosted by Friends of the Wissahickon and the Wissahickon Valley Watershed Association, this "town hall" meeting will take place at the Arts Center Theater at Germantown Academy in Fort Washington and is open to the public. The evening will start with light refreshments at 5:30 p.m. followed by the meeting.  A panel of regional experts will address the many issues relating to the Wissahickon watershed and will offer tangible ways for community members to engage in protecting the 64-square mile area. Local organizations and businesses will also be exhibiting before the meeting.

  • Evans-Mumbower Mill Open House & Sheep Shearing

    1:00 p.m. - 4:00 p.m.

    Come watch Hoyt Emmons, member of the American Sheep Industry Association and a certified sheep shearer, as he demonstrates his unique skill. The demonstration will begin at 1:30 pm. On display also will be some small farm animals. This will be a fun and educational event for all ages so be sure to bring your children and grandchildren. 

  • Evans-Mumbower Mill Open House & Antique Car Show

    1:00 p.m. - 4:00 p.m.

    Bring Dad (and Mom too!) to see a variety of antique cars for Father’s Day the Evans-Mumbower Mill, take a tour of the mill to see the water-powered gristmill in action.

  • 26th Annual Tex Mex 5k Race for Open Space


  • Evans-Mumbower Mill Open House & Ice Cream Social

    1:00 p.m. - 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.  

  • Fall Mill Festival & Revoluntionary War Encampment

    1:00 p.m. - 4:00 p.m.

    Visit the Evans-Mumbower Mill and discover a Revolutionary War encampment. Experience camp life from historical reenactors dressed in full regalia. There will be plenty of family friendly hands on demonstrations, as well as a tour of the fully operational water-powered gristmill.

  • Ghost of Henry Mumbower & Pumpkin Painting

    5:00 p.m. - 6:00 p.m. - Pumpkin Painting
    6:00 p.m. - 8:00 p.m. - Ghost tours

    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.

  • Evans-Mumbower Mill Open House & Trail Walk

    1:00 p.m. - 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!