Jellystone Park™ at Kozy Rest :: Western Pennsylvania Camping North of Pittsburgh, Yogi Bear's Jellystone Park at Kozy Rest offers Western Pennsylvania / Pittsburgh area camping for campers with anything from big rig RV's to tents, along with rental cabins and yurt rentals. Our RV campsites are large and wooded, and the campground offers an outstanding program of planned activities. Located near Slippery Rock and Grove City, with easy access to both I-80 and I-79.