San Juan County · reservoir · 1 acres · seasonal
Upper Rattlesnake Ranch Number One Reservoir
Upper Rattlesnake Ranch Number One Reservoir is a reservoir in San Juan County, Utah. FishableWaters aggregates every stocking record for this water from Utah'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
Clear
94°
70°
14 mph
0%
Sat
Partly cloudy
94°
68°
15 mph
1%
Sun
Overcast
95°
68°
14 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
- Rattlesnake Ranch Number Two Reservoir0.3 mi
- Rio Algom Lower Tailings Pond1.7 mi
- Rio Algom Upper Tailings Pond1.9 mi
- Upper Bankhead Reservoir1.6 mi
- Lower Bankhead Reservoir1.8 mi
- Wilcox Reservoir3.3 mi
- CCC Reservoir5.7 mi
- Medicine Lakes9.1 mistocked Jul 6, 2026
Seasons, limits, and rules are the state's call — check the official UT regulations and buy your license before you go. We link the source; we never restate the rules.
Upper Rattlesnake Ranch Number One Reservoir fishing — FAQ
Do I need a license to fish Upper Rattlesnake Ranch Number One Reservoir?+
Yes — Utah 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 Rattlesnake Ranch Number One Reservoir?+
Upper Rattlesnake Ranch Number One Reservoir is a reservoir in San Juan County, Utah. Driving directions and an interactive topo map are on this page.