Big Sioux Wildlife Area - Highway 18 Boat Ramp
Big Sioux Wildlife Area - Highway 18 Boat Ramp is a public access point in Lyon County, Iowa, providing access to Big Sioux River. It sits within the Peterson Creek-Big Sioux River watershed.
Sourced from Iowa Department of Natural Resources . Last checked against the source on July 7, 2026.
Boat ramps on Big Sioux River
We track 7 public boat ramps on Big Sioux 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 Big Sioux Wildlife Area - Highway 18 Boat Ramp does — they're listed here in order of distance from this ramp.
- Oakridge Public Water Access 9.9 mi away
- Oak Grove State Park 17 mi away
- Carr's Landing 21 mi away
- Big Sioux Park Access 32 mi away
- Silver Mapple Access 36 mi away
- Millsite Access 38 mi away
Other boat ramps in Lyon County
Lyon County tracks 1 public boat ramps in total, spread across several different rivers, creeks and lakes — not just Big Sioux 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 Big Sioux Wildlife Area - Highway 18 Boat Ramp or leads somewhere completely different.
- Big Sioux Wildlife Area - Highway 18 Big Sioux River less than 0.1 mi away