43.9602897, -113.6832229

Mackay Reservoir - Lower Boat Ramp

Fee not yet verified Status not yet verified Public access

Mackay Reservoir - Lower Boat Ramp is a public access point in Custer County, Idaho, providing access to Mackay Reservoir. It sits within the Upper Cedar Creek-Big Lost River watershed.

Sourced from U.S. Geological Survey . Last checked against the source on July 7, 2026.

Boat ramps on Mackay Reservoir

We track 3 public boat ramps on Mackay Reservoir, including this one. If you're planning to spend your time on a different stretch of the water, one of the launch points below may put you closer to where you're actually headed than Mackay Reservoir - Lower Boat Ramp does — they're listed here in order of distance from this ramp.

Other boat ramps in Custer County

Custer County tracks 12 public boat ramps in total, spread across several different rivers, creeks and lakes — not just Mackay Reservoir. Each one below shows which waterbody it's on, so you can tell at a glance whether it actually connects to the same water as Mackay Reservoir - Lower Boat Ramp or leads somewhere completely different.

Quick facts

County
Custer County, Idaho
Coordinates
43.9602897, -113.6832229
Waterbody
Mackay Reservoir
Access type
Public
Last verified
July 7, 2026
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