Fishing at Subsoiler Reservoir, Malheur County, Oregon

• Overview

  In Oregon, Subsoiler Reservoir belongs to Malheur County. This is sage and rock ground. It covers about 2 acres, so this is small water you can walk round in under an hour. For supplies, Marsing is 60 miles out. For a city, Boise is 79 miles off. No border sits close enough to matter. Trees shelter part of the bank when the wind gets up.

• Where to Fish on Subsoiler Reservoir

  Nothing we hold settles how deep this runs. The shallow end warms first and pulls fish in ahead of the rest. On a natural lake the weed line and the shelf beyond it do the work. Public occurrence data for Malheur County names rainbow trout, smallmouth bass, common carp, flathead catfish and channel catfish. Those are county-wide records, so not every one of them will be in this water. On Subsoiler Reservoir that means starting tight and working out.

• Seasonal Patterns

  Long-term averages put August at about 69°F and January near 28°F. The calendar is generous: something works in nearly every month. It is not guaranteed even in a cold spell, so check yourself. June to September is hot work, so the first and last hours are what count. Subsoiler Reservoir runs to that rhythm year in and year out.

• Tackle & Baits

  The paperwork position is blank for this one. Public mapping marks it as seasonal water rather than permanent. There is no recorded infrastructure here; expect to find your own way in. A small crankbait along the drop and a worm in the thick stuff cover the bass. Check locally before you travel, because a wasted drive is a long one. Check whether bait restrictions apply before you buy any. If the gate is shut, Rock Creek Reservoir at 3.2 miles is the nearest alternative. For Subsoiler Reservoir, the notice at the access point is the final word.