Castle Rock Fishing Access Site is located 15 miles west of Absarokee on Highway 420 along the Stillwater River and offers spectacular scenery with easy handicap accessibility.

The site features a primitive hand launch, primitive campsite, toilet facilities, and handicap parking with sidewalk access to the latrine; trailers up to 20 feet are permitted with a maximum 7-day stay limit.

This location is ideal for both anglers and non-motorized boaters seeking a scenic access point with basic camping amenities.