Little Arsenic Loop Trailhead provides access to the Rio Grande via a difficult 1-mile trail with a 760-foot elevation drop into the Wild Rivers Recreation Area canyon.

The trailhead includes a campground with 5 campsites, vault toilets, and horse trailer parking, with day-use fees of $3 per vehicle.

All anglers must carry a valid New Mexico fishing license and Wildlife Habitat Improvement Validation, with a daily bag limit of 4 fish per person.