Amistad Boat Ramp (Rough Canyon) is a long, steep 4-lane concrete ramp located approximately 20 miles north of Del Rio off US-277, usable at most lake levels year-round.

Amenities include camping, picnic areas, boat gas, courtesy docks, parking, handicap access, live bait, cleaning stations, and restrooms, all maintained by the National Park Service. A motorized boat pass is required ($4/day, $10/3-day, or $40/year).