Geronimo Trail #240 is accessed by hiking a quick .25-mile section of the Highline from the Geronimo Trailhead, located on FS-440 2 miles from FS-64 (Control Road). The trailhead is on the east side of the road and consists of a pullout with a FS board explaining the various trails in the area.

Geronimo Trail #240 is a 3-mile multi-use trail.