| Johnson Run Natural Area | |
| Iucn Category: | V |
| Map: | USA Pennsylvania |
| Location: | Cameron County, Pennsylvania |
| Nearest City: | Driftwood |
| Coordinates: | 41.359°N -78.1191°W |
| Area: | 216acres |
| Url: | http://www.dcnr.state.pa.us/FORESTRY/oldgrowth/johnsonrun.aspx |
Johnson Run Natural Area is a 216acres nature preserve located in Cameron County, Pennsylvania.[1] The topography consists of a rugged, bouldered plateau dissected by steep-sided streams and covered with somewhere from 26acres to 50acres of old-growth forest containing Eastern Hemlock and Eastern White Pine. Some of the white pines are nearly 4feet in diameter at breast height.[2]