Park Office/Campground: (631) 854-3712
Greenbelt Trails Conference Office: (631) 360-0753
The main (southern) entrance to the park is on the north side of Veterans Memorial Highway, opposite the H. Lee Dennison County Center in Smithtown. The northern entrance can be reached by following Route 347 to Brooksite Drive North; turn left on New Mill Road and follow to park entrance at end.
Hiking, picnicking, camping, freshwater fishing, rowboat rentals, bridle paths, playground, dog run, and historic trust area.
Richly forested hills and valleys at the headwaters of the Nissequogue River, rowing and fishing on lovely Stump Pond, casual strolls through the Blydenburgh Farm and New Mill Historic District featuring a grist mill.These are but a few of the attractions of Blydenburgh County Park. This 627 acre park is open year-round to Suffolk County residents and their guests. Horseback riders may ride or trailer their mounts to Blydenburgh to utilize an extensive bridle path system and practice ring. Trailer parking is available at the northern (New Mill Road) entrance. Suffolk County horseback riding permits are required and must be visibly displayed by all riders. Freshwater fishing for pumpkinseed sunfish, large-mouth bass, perch and bluegill is permitted at Stump Pond between sunrise and sunset. New York State freshwater fishing laws apply. Rowboat rentals are generally available from mid-May to Labor Day. Use the southern (Veteran's Memorial Highway) entrance for these activities. Hikes through Blydenburgh are led on a regular basis by the Long Island Greenbelt Trail Conference, whose headquarters are located in one of the historic district houses. For a hike schedule, contact the Greenbelt office at (631)-360-0753.