Thief Valley Reservoir fishing: Smallmouth Bass, Largemouth Bass, Black Crappie
Target species: Smallmouth Bass, Largemouth Bass, Black Crappie, White Crappie
Boat: 1 ramp or launch on file for this water.
Start here: Launch at Thief Valley County Ramp, 1 lane.
The reservoir
Thief Valley Reservoir covers 600 acres in Oregon, across 2 counties: Union and Baker. It is a reservoir. Our records hold 5 species for this water.
4 target fish, led by Smallmouth Bass
- Smallmouth Bass — Feeding water: 60–75°F.
- Largemouth Bass — Feeding water: 65–85°F.
- Black Crappie — Feeding water: 65–75°F.
- White Crappie — Feeding water: 65–75°F.
Also recorded here: Brown Bullhead.
Water and conditions
Our water temperature readings average 64°F; they do not cover the whole year, so this is not a yearly average. pH averages 8.1. These readings span 2017–2026.
1 ramp or launch on this water
On this water we hold 1 trailer ramp.
- Thief Valley County Ramp — 1 lane, restrooms. Union County. phone 541-963-1001 · website union-county.org/public-works
The place listed has no fee or opening hours on file: a blank means we hold no such field, not that it is free or always open, and this list may not be complete.
What is hard here
Only 1 public ramp is on file, so the launch decides where you fish.
