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3,112-acre reservoir near Park County. The lake tops out around 135 ft. These contours are modeled — built from the real shoreline and the water's maximum depth — so read them as a guide, never as navigation. The season-by-season read for each species follows, from the map's own numbers.
On the chart, Eleven Mile Res draws 3,353 acres inside 27 miles of shoreline, with 5 islands in the mix. With a shoreline index of 3.3, this water is all arms and coves — edge habitat well beyond its acreage. Littoral water — the productive band under ~15 ft — makes up 32% of this chart, as modeled. The basin spans about 6.7 mi end to end and 1.5 mi across at its widest. You'll find it in Park County. The nearest mapped water is Spinney Mtn Res, 7 mi to the northwest.
Start shallow in spring: common carp sit in 2 to 10 ft that time of year. Summer pushes them deeper, 3 to 15 ft, and winter fish settle into 10 to 30 ft. The spot to know is Shallow bay flat, a weed flat in about 6 ft of water that rates prime for common carp in spring. Warm-month bites cluster around early morning and the evening.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | Shallow bay flat (6 ft) | |
| Summer | 3 to 15 ft | dawn & dusk | Shallow bay flat (6 ft) | |
| Fall | 5 to 18 ft | midday | Shallow bay flat (6 ft) | |
| Winter | 10 to 30 ft | midday | Deep basin (115 ft) |
Early season yellow perch use the shallows, holding in 3 to 12 ft. Summer is a 10 to 30 ft game here, winter a 15 to 35 ft one. The chart's best answer is Shallow bay flat — weed flat, 6 ft, prime for spring. Best bite is early morning. Tie on a drop-shot micro plastics or a small spoon tipped with worm and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Shallow bay flat (6 ft) | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Weed flat (7 ft) | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 12 to 35 ft | midday | Deep basin (115 ft) | Jigging spoon (small), Perch rig / spreader |
| Winter | 15 to 35 ft | midday & dawn | Deep basin (115 ft) | Tungsten jig + spikes, Rattle spoon (small) |
In spring, northern pike run shallow here, mostly 2 to 8 ft. Midsummer fish sit out in 8 to 20 ft before dropping to 5 to 15 ft for winter. Spring northern pike concentrate at Shallow bay flat, a prime-rated weed flat around 6 ft. Fish it in early morning and the evening and you'll meet the bite. You won't need more than a bucktail or a weedless spoon over cabbage most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | Shallow bay flat (6 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Weed flat (7 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Shallow bay flat (6 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Shallow bay flat (6 ft) | Tip-ups, Large jigging spoon |
The spring pattern is a shallow one: kokanee in 10 to 30 ft. As the season builds they drop to 30 to 70 ft, wintering in 20 to 80 ft. Top water on the chart: Break off the point, a drop-off in the 61 ft range, prime in summer. Time it for early morning. Summer baits: a dodger + pink/orange squid on downrigger or a kokanee bug + corn gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 30 ft | dawn | Deep basin (115 ft) | Small dodger + squid (pink), Wedding-ring spinner + corn |
| Summer | 30 to 70 ft | dawn | Break off the point (61 ft) | Dodger + pink/orange squid on downrigger, Kokanee bug + corn |
| Fall | 5 to 40 ft | dawn | open water | Dodger + squid (deeper red/purple), Small spoon |
| Winter | 20 to 80 ft | dawn | Break off the point (61 ft) | Small glow jig + corn or maggot, Tiny spoon |
Spring brown trout on Eleven Mile Res hold shallow, usually 3 to 25 ft. By summer they slide out to 25 to 60 ft, and by winter most fish are in 5 to 35 ft. The chart's best answer is Sharp break — drop-off, 51 ft, prime for summer. Prime time lands in after dark and early morning. The summer box starts with a spoon at the thermocline or a deep stickbait (night).
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 25 ft | dawn & dusk | Shoreline point (4 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 25 to 60 ft | night & dawn | Sharp break (51 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 5 to 30 ft | dusk & dawn | Rock reef (4 ft) | Jerkbait over gravel, Casting spoon |
| Winter | 5 to 35 ft | dawn | Break off the point (61 ft) | Jigging spoon, Small stickbait (slow) |
Start shallow in spring: rainbow trout sit in 5 to 20 ft that time of year. Summer pushes them deeper, 8 to 30 ft, and winter fish settle into 8 to 40 ft. The spot to know is Main-lake point, a point in about 34 ft of water that rates prime for rainbow trout in fall. Warm-month bites cluster around early morning and the evening. Throw a dodger + spoon (deep troll) or a flutter spoon until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Shoreline point (4 ft) | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Rock reef (4 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Main-lake point (34 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 40 ft | dawn | Rock reef (4 ft) | Jigging spoon, Tube jig (white) |
Eleven Mile Res also holds cutthroat trout (10 to 35 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Structure-wise the chart holds 14 features, led in depth by Deep basin at roughly 115 ft.
Access data: Colorado Parks & Wildlife — Boat Ramps. Confirm conditions and fees locally before you launch.
Season dates, license requirements, and size and bag limits for Colorado waters are set by the Colorado Parks & Wildlife — and special regulations can apply to Eleven Mile Res specifically, so confirm the current rules before you fish.
Check the official Colorado fishing regulations →
Eleven Mile Res is about 135 ft (41 m) deep at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.
Anglers target common carp, yellow perch, northern pike, kokanee, brown trout, rainbow trout, cutthroat trout on Eleven Mile Res.
Shallow bay flat is the top-rated area: a weed flat in about 6 ft of water that rates prime for common carp in spring. The map above holds the full rated-spot list for every species and season.
For common carp, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Fishing on Eleven Mile Res is regulated by the Colorado Parks & Wildlife. Check the official Colorado regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Spinney Mtn Res 7 mi · Cheesman Reservoir 22 mi · McReynolds Reservoir 30 mi · South Platte River 33 mi · Arkansas River (Colorado) 33 mi · Clear Creek Reservoir 40 mi · Strontia Springs Res 40 mi · Brush Hollow Reservoir 41 mi · Twin Lakes Lower 45 mi · Chicago Lake Lower 48 mi · Murray Lake 49 mi · Chatfield Reservoir 49 mi
See how Eleven Mile Res stacks up: best northern pike lakes in Colorado · best rainbow trout lakes in Colorado · best yellow perch lakes in Colorado · best common carp lakes in Colorado
Browse all Colorado fishing maps or see every water on DepthScout. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.