Launch Conditions
Good to launchConditions look good for launching.
- Advisories
- None active
- Daylight
- Sunset 8:58 PM
Live from the National Weather Service, USGS, and NOAA. A guide, not a substitute for official forecasts and your own judgment.
Launch Light & Moon — July 30
local timeFull Moon (98% illuminated). Peak fishing window — solunar theory puts fish most active around the new and full moon.
Location
Quick Facts: Harrison Lake
| Location | Montana |
|---|---|
| Waterbody | Willow Creek Reservoir |
| Access Type | Public - Free |
| Coordinates | 45.699426, -111.707992 |
| Hours | Check on site |
| County | Madison |
Harrison Lake is a public boat launch providing access to Willow Creek Reservoir in Montana at coordinates 45.69943, -111.70799. Data published by Montana Fish, Wildlife and Parks (MT FWP).
Harrison Lake is a public boat launch on Willow Creek Reservoir in Madison County, Montana. As a public launch it is open to all boaters; state- and county-run ramps like this are typically free or charge only a modest day-use fee. This page shows 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 launch in Madison • fishing access on Willow Creek Reservoir • Montana boat launch
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Frequently Asked Questions About Harrison Lake
Is Harrison Lake free to use?
Yes, Harrison Lake is a public boat launch with free access in Montana.
What water does Harrison Lake access?
Harrison Lake provides boat launch access to Willow Creek Reservoir in Montana.
How do I get to Harrison Lake?
Harrison Lake is located at coordinates 45.699426, -111.707992 in Montana. Use the "Get Directions" buttons on this page to navigate with Google Maps or Apple Maps.
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Alternative Boat Launches Nearby
Boaters have 6 other launch options within 9.3 mi, each offering access to nearby waters with varying facilities and conditions.