Spinney Mountain Reservoir fishing conditions · Colorado

Sit it outno rainbow trout window clears the bar in 36 hours

Rainbow trout is the best bet here today.

Right now: 33 for rainbow trout, sit it outTap or drag along the water to move through the next 36 hours

Rainbow trout, hour by hour

Each float is an hour. The deeper it rides, the better the bite. The strip underneath runs daylight, dusk and dark; the red rule marks the best window. Click any hour to read it.

332 pm
33
35
355 pm
23
23
238 pm
23
23
2511 pm
25Sun
25
252 am
25
25
255 am
25
25
258 am
25
33
3311 am
33
33
332 pm
33
33
255 pm
23
23
258 pm
25
33
3311 pm
33Mon
33

Go, 85+Worth the trip, 70+Marginal, 55+Sit it out

Water: No reading
Wind: 2 mph
Light: Daylight
Sky: Sunny
Air: 52°F
Barometer: Falling
Moon: 5% lit

What’s biting

Each species is scored against its own water-temperature range and tide preference, then wind, weather and warnings. The rules are Colorado non-tidal regulations for these waters.

Rainbow trout

Oncorhynchus mykiss

35Sit it outNo window clears the bar

Water

No water reading here right now. Rainbow trout bite in 45–68° water, best near 55°.

Why

Fish feed actively ahead of a pressure drop. Rainbow trout is here May–Jun, Sep–Oct. Holds 3–20 ft down.

Keep

20" minimum · 1 a day

Open. Keep fish within the limits. Artificial flies and lures only; 1 trout a day, 20" minimum. No ice fishing, and no fishing from a half hour after sunset to a half hour before sunrise. (rainbow)

Verified Oct 23, 2026 · Spinney Mountain Reservoir

Last checked 15 days ago. Rules may have changed.

Season here: May–Jun, Sep–Oct, estimated from local air temperature, 2023–2025; there is no water gauge here. More on rainbow trout

Brown trout

Salmo trutta

35Sit it outNo window clears the bar

Water

No water reading here right now. Brown trout bite in 45–68° water, best near 55°.

Why

Fish feed actively ahead of a pressure drop. Brown trout is here May–Oct. Holds 3–25 ft down.

Keep

20" minimum · 1 a day

Open. Keep fish within the limits. Artificial flies and lures only; 1 trout a day, 20" minimum. No ice fishing, and no fishing from a half hour after sunset to a half hour before sunrise. (brown)

Verified Oct 23, 2026 · Spinney Mountain Reservoir

Last checked 15 days ago. Rules may have changed.

Season here: May–Oct, estimated from local air temperature, 2023–2025; there is no water gauge here. More on brown trout

Common carp

Cyprinus carpio

35Sit it outNo window clears the bar

Water

No water reading here right now. Common carp bite in 52–86° water, best near 72°.

Why

Fish feed actively ahead of a pressure drop. Common carp is here Jun–Sep. Holds 1–15 ft down.

Keep

no daily limit

Open. Keep fish within the limits. Colorado: species not on the statewide limits chart, including carp, have no bag or possession limit. Some waters set their own rules.

Verified Oct 18, 2026 · Colorado non-tidal

Last checked 20 days ago. Rules may have changed.

Season here: Jun–Sep, estimated from local air temperature, 2023–2025; there is no water gauge here. More on common carp

The water

Water temperatureNo reading
Barometer30.44 inHg, falling

Sun, moon & solunar

Sunset today4:56 pm
Sunrise tomorrow6:37 am
MoonWaning crescent, 5% lit
Minor solunarToday 3:20 pm–4:20 pm
Major solunarTonight 10:00 pm–12:00 am
Minor solunarTomorrow 5:50 am–6:50 am

Solunar tables are a popular heuristic. A peer-reviewed test found they don’t predict catch on their own, so here they only nudge the score when the tide or moon already agree. How the score works

Fishing report

No current report covers these waters.

We only show reports an agency has published, with their date. Colorado Parks & Wildlife has the state’s fishing pages.

Licenses and rules: state fishery agencies · fish-consumption advisory

About this spot

One of Colorado's three Gold Medal lakes, in Park County on the South Platte. A trophy stillwater fishery for large rainbow and brown trout under artificial-fly-and-lure rules; the reservoir closes seasonally with ice.

WaterReservoir
AccessPier, shore and ramp
RulesColorado non-tidal
WherePark County · 38.9861, -105.6431

Nearby

Public spots within 40 miles, with the same 36 hours of floats.

Eleven Mile Reservoir8 mi · ColoradoBest now until 6 pm

70Worth the trip

Questions people ask

Do I need a fishing license to fish at Spinney Mountain Reservoir?

Yes (anglers age 16 and older). To fish at Spinney Mountain Reservoir you need the appropriate state fishing license. See the agency's current rules: the state agency website

What fish are commonly targeted at Spinney Mountain Reservoir?

Spinney Mountain Reservoir is listed on this site for 3 commonly-targeted species: Rainbow Trout, Brown Trout, Common Carp. Which species is currently in season and which is scoring highest today is shown in the per-species ranking on this page.

When is the best time to fish at Spinney Mountain Reservoir?

It depends more on the species and the day's conditions than on a fixed "best hour." Water temperature, weather, and — at tidal locations — the stage of the tide drive activity most. The per-species ranking on this page scores every target species at Spinney Mountain Reservoir against today's live conditions, so the fish near the top are your best bets right now; check back as conditions change through the day.

What kind of access does Spinney Mountain Reservoir have?

Spinney Mountain Reservoir has multiple access types — pier, shoreline, and at least one public boat ramp.

Which state's fishing regulations apply at Spinney Mountain Reservoir?

state agency regulations apply at Spinney Mountain Reservoir. Size limits, creel limits, and seasonal closures are listed per species on each species page. Always confirm against the agency source linked from each regulation block — emergency closures can take effect mid-season.

Is Spinney Mountain Reservoir tidal water?

No. Spinney Mountain Reservoir is non-tidal — water level varies with rainfall, seasonal flow, and (where applicable) upstream dam releases rather than tidal exchange.