45.8543130, -109.9139561

Otter Creek Boat Ramp

Fee not yet verified Status not yet verified Public access

Otter Creek Boat Ramp is a public access point in Sweet Grass County, Montana, providing access to Yellowstone River. It sits within the Whitetail Creek-Yellowstone River watershed.

Sourced from Montana Fish, Wildlife and Parks . Last checked against the source on July 7, 2026.

Boat ramps on Yellowstone River

We track 9 public boat ramps on Yellowstone River, 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 Otter Creek Boat Ramp does — they're listed here in order of distance from this ramp.

Other boat ramps in Sweet Grass County

Sweet Grass County tracks 4 public boat ramps in total, spread across several different rivers, creeks and lakes — not just Yellowstone River. 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 Otter Creek Boat Ramp or leads somewhere completely different.

Quick facts

County
Sweet Grass County, Montana
Coordinates
45.8543130, -109.9139561
Waterbody
Yellowstone River
Access type
Public
Last verified
July 7, 2026
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