Join Fairmount Park Conservancy on Thursdays from 4:00 - 7:00 PM for weekly volunteer workdays at the Trolley Trail entrance on S. Chamounix Drive. Sign up for one or more! Join us for as much as you can. Together, we will work on: Trail cleanup & maintenance Invasive species removal Trash pick-up Woody cleanup Trail signage project if needed We will provide all the tools, supplies, and materials for the workday, including gloves.