Petroleum County Boat Ramps, Montana

Petroleum County tracks 1 public boat ramps in total, spread across 1 different rivers, creeks and lakes — most notably Missouri River - Fort Peck Lake (1 ramp). Each listing below shows which waterbody it's on, so you can tell at a glance which ones actually connect.

Sourced from official state and federal agency records, last synced on July 7, 2026. Read more about how we verify this data.

1 Boat ramps
1 Waterways
0 Free to launch
4 Neighboring counties

All boat ramps in Petroleum County

Crooked Creek Missouri River - Fort Peck Lake

Waterways in Petroleum County

These are the rivers, creeks and lakes with public boat ramps in Petroleum County. Ramps on the same waterway don't always sit close together on a map — some of these stretch across the whole county.

Missouri River - Fort Peck Lake 1

Boat ramps in neighboring counties

If Petroleum County doesn't have what you're looking for, these bordering counties are worth a look too.

Garfield County 4 ramps
Rosebud County 3 ramps
Phillips County 3 ramps
Fergus County 2 ramps

Frequently asked questions

We track 1 public boat ramps in Petroleum County, spread across 1 different rivers, creeks and lakes.

We haven't confirmed any free ramps in Petroleum County yet. Fee status is verified ramp by ramp as we check each one against the source — check the fee badge on each listing below for the latest status.

Missouri River - Fort Peck Lake has the most public boat ramps we track in Petroleum County, with 1 launch point.