Pierce to Dworshak Reservoir/Grandad Bridge

Total Miles 34.9
Technical Rating
1 Easy
Best Time Spring, Summer, Fall
Trail Type Full-Width Road
Accessible By
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Trail Overview

This scenic route leaves Pierce via Snake Creek Road before turning off onto Calhoun Road. This is a very easy, well-maintained gravel road that is wide enough for two vehicles to pass. It is a lengthy route that snakes through the mountains and offers some premium views. There are several dispersed camping areas along this route. Some areas have been heavily logged. Dworshak Reservoir offers some great fishing and is home to Kokanee, Cutthroat Trout, Smallmouth Bass, Rainbow Trout, Bull Trout, and White Crappie. There is no winter maintenance through this route to the reservoir.

Photos of Pierce to Dworshak Reservoir/Grandad Bridge

Difficulty

Easy gravel road with limited maintenance. Safe for most vehicles. The majority of this route is two lanes with easy turnarounds.

Technical Rating

1

Status Reports

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Parker Fuller
Aug 10, 2025
Open
Easy, flat, and fast. We stopped for a swim at a boat landing- water was super warm! Tons of other people out with a similar idea. You can camp at the boat landing but it’s just a giant gravel lot with fire rings.
Tonja Marie
Aug 25, 2024
Open
Easy ride, hardly any traffic.

Pierce to Dworshak Reservoir/Grandad Bridge Trail can be accessed by the following ride types:

  • Single Track
  • 50 Inch
  • 60 Inch
  • High Clearance
  • Full Width

Pierce to Dworshak Reservoir/Grandad Bridge Map

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