Niobrara County · reservoir
Castlerock Reservoir
Castlerock 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
91°
57°
15 mph
3%
Sat
Clear
98°
61°
14 mph
2%
Sun
Overcast
104°
75°
26 mph
1%
↗ 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
- Young Woman Creek0.9 mi
- Sage Creek4.2 mi
- Bad Land Number 1 Reservoir4.0 mi
- Bad Land Number 2 Reservoir4.1 mi
- Coyote Creek4.7 mi
- Younkin Number 2 Reservoir4.2 mi
- Leismer Number 1 Reservoir5.5 mi
- Spring Creek5.4 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.
Castlerock Reservoir fishing — FAQ
Do I need a license to fish Castlerock 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 Castlerock Reservoir?+
Castlerock Reservoir is a reservoir in Niobrara County, Wyoming. Driving directions and an interactive topo map are on this page.