Illinois / Mississippi River /

Alton Riverfront

Boat ramp · on Mississippi River · near Alton · Illinois

Zebra mussels

Zebra mussels (latest report 2001) reported in Mississippi River 1.4 km from this launch (USGS Nonindigenous Aquatic Species database). Clean, drain and dry your boat, trailer and gear before you leave, and do not move water, plants or live bait to another water.

USGS Nonindigenous Aquatic Species database · checked October 18, 2026

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
Fee
Free
Motors
No horsepower limit
Ramp lanes
2
Docks
1
Ramp surface
Concrete
Coordinates
38.88428, -90.17457

Directions (Google) Apple Maps

Channel depths in feet from the Army Corps' surveys (St. Louis District; the one nearest this launch is of June 18, 2024). Not for navigation.

Boating rules

  • Horsepower limit: none · all of Mississippi River rule

From the boating rules map of Illinois Department of Natural Resources, read October 18, 2026. A map of rules is a guide: the regulation's text and the posted signs govern.

Conditions

Water level

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

USGS gauge Mississippi River Pool Lock and Dam 26 at Alton,IL, 0.6 mi from this launch on Mississippi River: water level, water temperature, a reading every 15 minutes. Readings and history at USGS.

On the river

River mile 202.3 on Mississippi 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.

  • Pool 26 Upper Mississippi · 0.1 mi from this launch
    Before-dredging survey of June 18, 2024 by the St. Louis District. Soundings on the sheet down to 75.1 ft, with bars at or above it; 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 Mississippi River

River in Illinois. All launches on Mississippi River.

Community

Where people who use Mississippi River talk about it.

Nearby launches

Sources

Why it is listed as public: listed by U.S. Army Corps of Engineers St. Louis District boat ramps. Something wrong, or is this launch private? Send a correction; it goes to a person.