Update: Closure of Wissahickon Valley Park Bike Trail Bridge at Forbidden Drive News // February 27, 2020 Park Safety Alert: Philadelphia Parks & Recreation Temporary Weekend Closure of Devil’s Pool News // August 17, 2018 It’s Summertime in the Wissahickon Education // June 13, 2018 UPDATE: Yellow Trail Closure to begin 11/27/17 News // November 10, 2017 Wissahickon Park Trail Closure News // January 26, 2017