From their event page:  Fairmount Park Conservancy and the Departments of Public Health and Parks & Recreation are thrilled to offer weekly walking groups at 28 park locations across Philadelphia.... Read more »

From their event page:  Join Fairmount Park Conservancy and astronomer/educator Buddy Muhler for a one-mile guided moonwalk and telescope observation.  We’ll start by using the moonlight to guide us on a short hike along the Lemon Hill Rim Trail – a wooded trail that runs high above Kelly Drive and offers views of the Schuylkill River below.... Read more »

Northwest Night Rides are social group bike rides focused in and around Northwest Philadelphia. They meet every other Wednesday at 7:00 pm and usually end at a bar, brewery, or restaurant.  Anyone is welcome to join – living in Northwest Philly is not a requirement!  Given the geography, most rides involve hills, but they don’t... Read more »