Main Dam Impoundment Boat Ramp

Fee not yet verified Status not yet verified Public access

Main Dam Impoundment Boat Ramp is a public access point in Marquette County, Wisconsin, providing access to Grand River - Main Impoundment. It sits within the Grand River watershed.

Sourced from Wisconsin Department of Natural Resources . Last checked against the source on July 7, 2026.

Boat ramps on Grand River - Main Impoundment

We track 2 public boat ramps on Grand River - Main Impoundment, 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 Main Dam Impoundment Boat Ramp does — they're listed here in order of distance from this ramp.

Other boat ramps in Marquette County

Marquette County tracks 32 public boat ramps in total, spread across several different rivers, creeks and lakes — not just Grand River - Main Impoundment. 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 Main Dam Impoundment Boat Ramp or leads somewhere completely different.

Quick facts

County
Marquette County, Wisconsin
Coordinates
43.7287795, -89.2609649
Waterbody
Grand River - Main Impoundment
Access type
Public
Last verified
July 7, 2026
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