Come celebrate National Trails Day by biking the John C Oliver Multi-Purpose Loop Trail with the park naturalist. This 12.2-mile paved trail is the longest trail in the park, with scenic views of Lake Wilhelm. We will make stops along the way to talk about the history of the park. Please bring water and your own bike if you have one. Let park staff know at registration is you need to borrow a park bike. Park bikes are limited. Helmets must be worn during the ride. Registration is required, please call the office to register at (724) 253-4833 or email megmcdowel@pa.gov.