Arrow Stone Park Trail is a 1. 6-mile paved trail in Deer Lodge that follows Cottonwood Creek along the east bank of the Clark Fork River, offering direct river access via a fishing pier and picnic area.

The trail features loop offshoots around small ponds and connects to downtown Deer Lodge and the Old Montana State Prison Complex museums. Parking is available at the gravel lot at 100 I-90BL, Deer Lodge, MT.