Lewis and Clark County Boat Ramps, Montana

Lewis and Clark County tracks 15 public boat ramps in total, spread across 6 different rivers, creeks and lakes — most notably Missouri River, Canyon Ferry Reservoir (7 ramps), Missouri River (4 ramps) and Helena Valley Reservoir (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.

15 Boat ramps
6 Waterways
0 Free to launch
7 Neighboring counties

All boat ramps in Lewis and Clark County

Waterways in Lewis and Clark County

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

Hauser Reservoir 1 Helena Valley Reservoir 1 Missouri River 4 Missouri River, Canyon Ferry Reservoir 7 Nilan Reservoir 1 Willow Creek Reservoir 1

Boat ramps in neighboring counties

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

Frequently asked questions

We track 15 public boat ramps in Lewis and Clark County, spread across 6 different rivers, creeks and lakes.

We haven't confirmed any free ramps in Lewis and Clark 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, Canyon Ferry Reservoir has the most public boat ramps we track in Lewis and Clark County, with 7 launch points.