Malheur County · reservoir · 2 acres · seasonal
Upper Slim and Fatty Reservoir
Upper Slim and Fatty Reservoir is a reservoir in Malheur County, Oregon. FishableWaters aggregates every stocking record for this water from Oregon's fish & wildlife agency; the latest schedule and today's bite windows are above.
Best days this week
Days near a new or full moon tend to fish best.
Today's bite windows
Conditions, next 3 days
Today
Overcast
95°
65°
12 mph
1%
Sat
Overcast
92°
69°
19 mph
0%
Sun
Overcast
84°
60°
19 mph
0%
→ pressure steadyStable weather — expect a normal bite.
Stocking ledger
No published stocking records yet. This water stays in our books — the ledger begins the hour its state agency publishes a record.
Angler reports
What's biting
No reports yet — be the first
Best bite times
No reports yet
Field notes
No notes yet
Nearby waters
Seasons, limits, and rules are the state's call — check the official OR regulations and buy your license before you go. We link the source; we never restate the rules.
Upper Slim and Fatty Reservoir fishing — FAQ
Do I need a license to fish Upper Slim and Fatty Reservoir?+
Yes — Oregon requires a fishing license. Buy one from the state and check current seasons and limits before you go; both are linked on this page.
Where is Upper Slim and Fatty Reservoir?+
Upper Slim and Fatty Reservoir is a reservoir in Malheur County, Oregon. Driving directions and an interactive topo map are on this page.