Jennings Environmental Education Center, Route 528, Brady Township, hosts “Honey Heroes” at 2 p.m. Sunday. Reservations are being accepted for the Slippery Rock Watershed Coalition 20th anniversary celebration and kayak sojourn from 9 a.m. to 2 p.m. Oct. 10; “Introduction to Backpacking for Women,” an all-inclusive guided overnight trip on North Country Trail, from 9 a.m. Oct. 17 to 1 p.m. Oct. 18; National Public Lands Day volunteer event, 9 a.m. to 1 p.m. Sept. 26; and Scout Stewards: National Public Lands Day for Scouts, 9 a.m. to noon Sept. 27. Call 724-794-6011.

Moraine State Park, Muddy Creek Township, hosts a “Growing Up Wild” workshop for educators from 9 a.m. to noon Oct. 3. Registration is required. Call 724-368-8811.

Succop Nature Park, 185 W. Airport Road, Penn Township, has trails open from dawn to dusk. Visit www.aswp.org.

A star party sponsored by the Amateur Astronomers Association of Pittsburgh is scheduled, weather permitting, at 7:25 p.m. Saturday at the Nicholas E. Wagman Observatory in Deer Lakes Regional Park near Russellton. Call 724-224-2510.McConnells Mill State Park, Slippery Rock Township, Lawrence County off Route 422, will have an Alpha Pass hike at 10 a.m. Saturday. The McConnells Mill Heritage Festival is 10 a.m. to 6 p.m. Sept. 26 and 11 a.m. to 5 p.m. Sept. 27. Admission is free. Call 724 368-8811.