The Boulder Field was formed approximately 20,000 years ago during the last glacial advance when ice wedged rocks apart through frost action.
The park's geology features red sandstone and conglomerate rock formations dating back to the Devonian period.
Sand Spring Lake is a man-made body of water created by damming a mountain stream, specifically designed for public swimming.
The park hosts several rare plant species, including the Appalachian bunchberry and various types of sedge, found in its wetland areas.
Hawk Falls was named for the high frequency of raptors, specifically hawks, spotted in the vicinity of the cascade.
The park sits at the intersection of three distinct ecological zones, contributing to its diverse flora and fauna.
During the Civilian Conservation Corps era in the 1930s, the park was heavily developed, and remnants of these structures still exist today.
Hickory Run State Park is a 15,990-acre Pennsylvania state park located in the western foothills of the Pocono Mountains. The park is most distinct for the Boulder Field, a 16-acre National Natural Landmark consisting of a vast, treeless expanse of jagged sandstone boulders. Visitors have access to over 40 miles of hiking trails that traverse terrain ranging from flat stream-side paths to steep, rocky climbs. Fishing is permitted in the park’s streams, which are stocked with trout by the Pennsylvania Fish and Boat Commission. The park features a large campground capable of accommodating tents and recreational vehicles, along with a seasonal swimming beach at Sand Spring Lake. Hunting is permitted in designated areas during established Pennsylvania Game Commission seasons. The landscape is defined by the Appalachian plateau, featuring waterfalls like Hawk Falls and numerous trout streams. The park serves as a hub for outdoor recreation including bird watching, cross-country skiing, and snowshoeing during winter months.
The center of the Boulder Field for a panoramic view of the vast, rocky expanse.
Wear sturdy, ankle-supporting hiking boots, as the trails and the Boulder Field are composed of loose, uneven rock.
Bring bug spray, as the dense forest and wetland areas attract significant populations of mosquitoes and black flies during summer months.
Check the official park website for trail closures before arrival, as heavy rain often necessitates temporary maintenance closures.
Attempting to hike to the Boulder Field in flip-flops or sandals; ignoring the park's hunting season safety warnings during autumn months.
Sand Spring Lake swimming beach is typically open from late May through early September; some secondary park roads and trails may close during peak winter ice conditions.
Practice 'Leave No Trace' principles; keep dogs on a leash at all times; stay on marked trails to protect sensitive bog vegetation.
