Launch Conditions
Use cautionLaunch with caution — limited daylight.
- Advisories
- None active
- Daylight
- Past 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 — August 14
local timeNew Moon (1% illuminated). Peak fishing window — solunar theory puts fish most active around the new and full moon.
Location
Quick Facts: Grandad Boat Ramp
| Location | Idaho |
|---|---|
| Waterbody | Dworshak Reservoir |
| Access Type | Public - Free |
| Coordinates | 46.824374, -115.912195 |
| Hours | Check on site |
| County | Clearwater County |
Grandad Boat Ramp is a public boat launch providing access to Dworshak Reservoir in Idaho at coordinates 46.82437, -115.91219.
Grandad Boat Ramp is a public boat launch on Dworshak Reservoir in Clearwater County, Idaho. 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 2 other mapped boat ramps within about 15 miles if conditions here aren't right.
Related: boat launch in Clearwater County • fishing access on Dworshak Reservoir • Idaho boat launch
Explore more boat launches across Idaho
Buying or selling a boat?
Decode any boat's HIN free, or run a full $9.99 history report before you buy.
Frequently Asked Questions About Grandad Boat Ramp
Is Grandad Boat Ramp free to use?
Yes, Grandad Boat Ramp is a public boat launch with free access in Idaho.
What water does Grandad Boat Ramp access?
Grandad Boat Ramp provides boat launch access to Dworshak Reservoir in Idaho.
How do I get to Grandad Boat Ramp?
Grandad Boat Ramp is located at coordinates 46.824374, -115.912195 in Idaho. Use the "Get Directions" buttons on this page to navigate with Google Maps or Apple Maps.
Get Directions
Navigate directly to this boat launch using your preferred mapping service:
Alternative Boat Launches Nearby
2 additional boat launches are located within 15.1 mi of Grandad Boat Ramp, providing alternative access points for this area's waters.