Mari-Osa Access Boat Ramp
Mari-Osa Access Boat Ramp is a public access point in Cole County, Missouri, providing access to Osage River. It sits within the Castle Rock-Osage River watershed.
Sourced from Missouri Department of Conservation . Last checked against the source on July 7, 2026.
Boat ramps on Osage River
We track 9 public boat ramps on Osage 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 Mari-Osa Access Boat Ramp does — they're listed here in order of distance from this ramp.
- Bonnots Mill Access 6 mi away
- Pikes Camp Access 8.8 mi away
- St. Thomas Ferry Access 12 mi away
- Osage-Tavern Access 19 mi away
- Kings Bluff Access 25 mi away
- Tuscumbia Access 30 mi away
- Bagnell Dam Access 39 mi away
- Wigwam School Access 57 mi away
Other boat ramps in Cole County
Cole County tracks 7 public boat ramps in total, spread across several different rivers, creeks and lakes — not just Osage 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 Mari-Osa Access Boat Ramp or leads somewhere completely different.
- Mari-Osa Access Osage River less than 0.1 mi away
- Moreau 50 Access Moreau River 6.3 mi away
- Pikes Camp Access Osage River 8.8 mi away
- St. Thomas Ferry Access Osage River 12 mi away
- Honey Creek Access Moreau River 12 mi away
- Binder Community Lake Binder Lake 18 mi away