Iowa / Missouri River /

Sunset Island

Boat ramp · on Missouri River · near Onawa · Iowa

Status not reported No closure has been posted for this launch, but its agency does not publish open or closed status. Check with the managing agency before you tow.

At the launch

Type
Boat ramp
Ramp surface
Concrete
Managed by
Iowa Department of Natural Resources
Coordinates
42.00939, -96.23976

Directions (Google) Apple Maps

Channel depths in feet from the Army Corps' surveys (Omaha District; the one nearest this launch is of May 7, 2026). Not for navigation.

Conditions

Water level

Latest reading loads here; without it, see the USGS page below.

USGS gauge Missouri River at Decatur, NE, 0.2 mi from this launch on Missouri River: water level, flow, a reading every 15 minutes. Readings and history at USGS.

On the river

River mile 691.2 on Missouri River · U.S. Army Corps of Engineers Navigation Mile Markers, placed between its mile markers

Sources: U.S. Army Corps of Engineers Navigation Mile Markers.

Channel survey

The Army Corps surveys the channels it maintains and posts every survey.

  • MO 12 OMU
    Condition survey of May 7, 2026 by the Omaha District. Soundings on the sheet from 3.8 to 33.9 ft; the Corps maintains a 9 ft channel here. Survey sheet (PDF)

US Army Corps of Engineers hydrographic surveys, from eHydro. A survey shows the bottom on the day it was made; channels shoal after high water and change with dredging. Not for navigation.

On Missouri River

River in Iowa. All launches on Missouri River.

Community

Where people who use Missouri River talk about it.

Nearby launches

Sources

Why it is listed as public: listed by Iowa DNR Water Accesses. Something wrong, or is this launch private? Send a correction; it goes to a person.