Lincoln Drive Clean-Up // October 10, 2023 Lincoln Drive Clean-Up // March 28, 2023 Postponed: Lincoln Drive Clean-Up // January 31, 2023 Lincoln Drive Clean-Up // September 29, 2022 Martin Luther King Jr. Volunteer Day of Service // December 03, 2021 Update: Closure of Wissahickon Valley Park Bike Trail Bridge at Forbidden Drive News // February 27, 2020