Launch Conditions
Use cautionLaunch with caution — limited daylight.
- Advisories
- None active
- Daylight
- Past sunset (8:27 PM)
- Water level
- 9.26 ft
Live from the National Weather Service, USGS, and NOAA. A guide, not a substitute for official forecasts and your own judgment.
Live Water Conditions on Rock River
Updated 45 min agoSource: USGS station 05414400 — Middle Fk Little Maquoketa R nr Rickardsville, IA · 2.6 mi from Rock River
Launch Light & Moon — July 25
local timeWaxing Gibbous (81% illuminated). Good fishing outlook — the moon is approaching a major phase.
Location
Quick Facts: Rock River-Hennepin Canal
| Location | Colona, Illinois |
|---|---|
| Waterbody | Rock River |
| Access Type | Public |
| Coordinates | 41.471293, -90.390845 |
| Hours | Check on site |
| County | Henry County |
Rock River-Hennepin Canal is a boat launch providing access to Rock River in Colona, Illinois at coordinates 41.47129, -90.39084.
Rock River-Hennepin Canal is a boat launch on Rock River in Colona, Henry County, Illinois. This page shows live USGS water level and temperature, sunrise, sunset, and moon-phase times for the launch, updated automatically. There are 6 other mapped boat ramps within about 15 miles if conditions here aren't right.
Related: boat ramp near Colona • public launch in Henry County • fishing access on Rock River • Illinois boat launch
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Frequently Asked Questions About Rock River-Hennepin Canal
What water does Rock River-Hennepin Canal access?
Rock River-Hennepin Canal provides boat launch access to Rock River in Colona, Illinois.
How do I get to Rock River-Hennepin Canal?
Rock River-Hennepin Canal is located at coordinates 41.471293, -90.390845 in Colona, Illinois. Use the "Get Directions" buttons on this page to navigate with Google Maps or Apple Maps.
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Alternative Boat Launches Nearby
The area surrounding Rock River-Hennepin Canal includes 6 other public boat ramps within 6.6 mi, giving boaters flexibility in choosing their access point.