Launch Conditions
Good to launchConditions look good for launching.
- Advisories
- None active
- Daylight
- Sunset 8:47 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 — August 1
local timeWaning Gibbous (88% illuminated). Good fishing outlook — the moon is approaching a major phase.
Location
Quick Facts: Castle Rock
| Location | Montana |
|---|---|
| Waterbody | Stillwater River |
| Access Type | Public - Free |
| Coordinates | 45.473033, -109.741052 |
| Hours | Check on site |
| County | Stillwater |
Castle Rock is a public boat launch providing access to Stillwater River in Montana at coordinates 45.47303, -109.74105. Data published by Montana Fish, Wildlife and Parks (MT FWP).
Castle Rock is a public boat launch on Stillwater River in Stillwater 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 5 other mapped boat ramps within about 15 miles if conditions here aren't right.
Related: boat launch in Stillwater • fishing access on Stillwater River • Montana boat launch
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Frequently Asked Questions About Castle Rock
Is Castle Rock free to use?
Yes, Castle Rock is a public boat launch with free access in Montana.
What water does Castle Rock access?
Castle Rock provides boat launch access to Stillwater River in Montana.
How do I get to Castle Rock?
Castle Rock is located at coordinates 45.473033, -109.741052 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
The area surrounding Castle Rock includes 5 other public boat ramps within 13.8 mi, giving boaters flexibility in choosing their access point.