

Best for beginner divers, 1-26m, shore entry, mild current.
Custer Trail Boat Launch on the north shore of Deerfield Lake offers shore-based access to an artificial reef environment. Divers can explore submerged structures, including boat docks, which provide habitat for freshwater fish. The site features depths ranging from 1 to 26 metres, with an average depth of 9 metres. Conditions include mild currents and variable visibility. Due to water temperatures that can drop between 0.5 and 4.5 degrees Celsius, cold water diving equipment is necessary. Hazards at this location include boat traffic, potential entanglement in submerged structures, and low visibility. The site is suitable for beginners, and the shallow areas are accessible for snorkelling.
44.02685, -103.79940
The site is located on the north side of Deerfield Reservoir and is adjacent to the Custer Trail Campground and the Deerfield Trail trailhead.
From Hill City, travel west on Highway 17 (Deerfield Road) for approximately 23 miles to the northwest side of the lake, then turn south on Forest Road 417 and continue to the end of the road.
Expected in this region. No sightings logged here yet.
Depth
Up to 26m
Skill Level
Beginner
Entry
Shore
Current
Mild
Yes, the site is suitable for beginner divers.
The site ranges from 1 to 26 metres in depth, with an average depth of 9 metres.
This is a shore entry site.
Yes, the site is suitable for snorkelling with a rating of 3 out of 5.
Divers should be aware of boat traffic, cold water temperatures, potential entanglement, and low visibility.
Custer Trail Boat Launch (North Shore) in Deerfield Lake typically has mild currents that most divers can handle comfortably.