Highway O - South Boat Ramp

Highway O - South Boat Ramp is a semi-private access point in Marathon County, Wisconsin, providing access to Big Eau Pleine River - Big Eau Pleine Reservoirer. It sits within the Lake Dubay watershed.

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

Boat ramps on Big Eau Pleine River - Big Eau Pleine Reservoirer

Highway O - South Boat Ramp is the only public boat ramp we have on record for Big Eau Pleine River - Big Eau Pleine Reservoirer. Smaller creeks and coves sometimes have unofficial or private access points we haven't verified yet — if you know of one nearby, help us add it.

Other boat ramps in Marathon County

Marathon County tracks 39 public boat ramps in total, spread across several different rivers, creeks and lakes — not just Big Eau Pleine River - Big Eau Pleine Reservoirer. 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 Highway O - South Boat Ramp or leads somewhere completely different.

• Highway O - South Big Eau Pleine River - Big Eau Pleine Reservoirer less than 0.1 mi away
• Sandy Shore Drive Big Eau Pleine River - Big Eau Pleine Reservoir 0.7 mi away
• Big Eau Pleine County Park - South Unit 2 Big Eau Pleine River - Big Eau Pleine Reservoir 2.4 mi away
• Big Eau Pleine County Park - South Unit 1 Big Eau Pleine River - Big Eau Pleine Reservoir 2.4 mi away
• Highway O Little Eau Pleine River 2.8 mi away
• Big Eau Pleine County Park - West Unit Big Eau Pleine River - Big Eau Pleine Reservoir 3.3 mi away