Black Rock Hot Springs offers direct access to the Rio Grande with a sandy beach on the eastern side of the bridge, making it suitable for both soaking and river activities. Access requires navigating unpaved County Roads B005 and B007 for approximately 2.

5 miles from Arroyo Hondo, followed by a 10-minute hike downstream from the parking area at the first switchback.

Note that high water periods may flood the area and limit access, and visitors are advised to travel in groups due to occasional safety concerns in the remote location.