Reservoir · Pennington, South Dakota
Deerfield Reservoir
Location Snapshot
Deerfield Reservoir is a high-elevation Black Hills reservoir in South Dakota with clear water, forested shoreline, and coldwater habitat. Trout define the fishery, with rainbow and other managed salmonids making it a distinctly mountain stillwater destination.
Information Only
StrikeTracks does not currently provide a live condition rating for this destination. Destination and fishery information is still available.
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Fishery Profile
Documented species you may encounter at Deerfield Reservoir.
Species images are AI-generated illustrations for visual reference and may simplify natural variation. Fishery records are based on the cited agency sources. About fish illustrations
Fishery overview
Lake trout and rainbow trout are primary and stocked in Deerfield Reservoir. Yellow perch are present and established.
Target species
Lake Trout
Salvelinus namaycush
- Expectation
- Primary
- Population
- Stocked
- Native status
- introduced
- Confidence
- High confidence
Rainbow Trout
Oncorhynchus mykiss
- Expectation
- Primary
- Population
- Stocked
- Native status
- introduced
- Confidence
- High confidence
Yellow Perch
Perca flavescens
- Expectation
- Present
- Population
- Established
- Native status
- native
- Confidence
- High confidence
Fishery characteristics
- Composition
- Mixed wild and stocked
Best seasons
- Spring
- Summer
- Fall
Common techniques
- Boat fishing
- Fly fishing
- Shore fishing
- Spinning
Stocking information
Lake trout and rainbow trout are stocked in Deerfield Reservoir.
- Stocked
Lake Trout
Stocked · South Dakota Game, Fish and Parks
- Stocked
Rainbow Trout
Stocked · South Dakota Game, Fish and Parks
Official sources
Hatch Match
General fly suggestions
- Midge larvaGeneral stillwater midge-style family — not a live Chironomidae Hatch claim.
- Woolly-bugger-style streamerGeneral stillwater streamer family. Not a baitfish or kokanee Hatch event.
- Ant or beetleGeneral shoreline terrestrial family — not a local Hatch calendar.
These are general fishing suggestions, not a report of insects currently hatching at this destination.
Location and Access
Cataloged lake location
Pennington, South Dakota
The map marker represents the cataloged waterbody or monitoring location and may not indicate legal parking or public access. Confirm access through the official information before visiting.
Lake Details
County
Pennington
Management Category
Black Hills coldwater storage reservoir
Regulation Scope
Deerfield Reservoir.
Regulation Summary
Deerfield Reservoir: GFP Black Hills Fish Management Area reservoir rules. Confirm current official regulations.
Target Species
Lake Trout, Rainbow Trout, Yellow Perch
Public Access
Public
Boat Launch
Available
Shore Fishing
Available