Niobrara County · reservoir
Griswold Number 1 Reservoir
Griswold Number 1 Reservoir is a reservoir in Niobrara County, Wyoming. FishableWaters aggregates every stocking record for this water from Wyoming'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
90°
58°
14 mph
3%
Sat
Clear
98°
65°
17 mph
3%
Sun
Overcast
104°
75°
24 mph
2%
↗ pressure risingPost-front rising pressure can slow things down for a day.
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
- Alum Creek Number 1 Reservoir2.7 mi
- Mule Creek Number 1 Reservoir3.9 mi
- Boner Reservoir4.6 mi
- Big Jordy Number 1 Reservoir5.1 mi
- West Mule Creek5.8 mi
- East Mule Creek5.8 mi
- Clark Number 1 Reservoir5.1 mi
- North Cottonwood Creek7.0 mi
Seasons, limits, and rules are the state's call — check the official WY regulations and buy your license before you go. We link the source; we never restate the rules.
Griswold Number 1 Reservoir fishing — FAQ
Do I need a license to fish Griswold Number 1 Reservoir?+
Yes — Wyoming 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 Griswold Number 1 Reservoir?+
Griswold Number 1 Reservoir is a reservoir in Niobrara County, Wyoming. Driving directions and an interactive topo map are on this page.