The area of Johnson Run Natural Area is 874,120.9872384 square meters.
The area of Bull Run Mountains Natural Area Preserve is 10.06 square kilometers.
The area of Deep Run Ponds Natural Area Preserve is 2,857,080.6342144003 square meters.
Middle Run Valley Natural Area was created in 1975.
Bull Run Mountains Natural Area Preserve was created in 2002.
The area of Bull Run Lake is 1,885,835.0928384 square meters.
The area of Cave Run Lake is 33.468 square kilometers.
The area of Savage Run Wilderness is 60.407 square kilometers.
It's a natural instinct. It keeps them safe from predators as they naturally run with a pack mentality.
Dents Run Wildlife Management Area was created in 2010.
The area of Wolf Run State Park is 4,233,011.817830401 square meters.
The area of Stillman's Run Battle Site is 4,046.8564224 square meters.
The area of Forked Run State Park is 3,201,063.4301184 square meters.