Updated 9 Oct 2026, 2:32 am EDT. Get alerts for Montmorency County lakes
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77 lakes · 8,329 acres · 36 with measured depth · 17 with a public launch · 21 stocked
Montmorency County has 77 lakes of 10 acres or more, 70 of them named, covering 8,329 acres of water. The largest is West Twin Lake at 1,306 acres; the deepest measured is Clear Lake at 90 ft. Michigan DNR has surveyed the depth of 36 lakes here. Several names repeat: 2 lakes are called Twin Tomahawk Lakes and 2 lakes are called Dollar Lake.
Lake outlines: Michigan hydrography (lakes of 10 acres or more). Depths: Michigan DNR lake surveys, fetched 7 Oct 2026. County line: U.S. Census TIGER. Not for navigation.
18 lakes in Montmorency County cover 100 acres or more. The 12 largest are listed here; the full register of 70 named lakes follows.
| Lake | Acres | Deepest | Clarity | Launches | Last stocked |
|---|---|---|---|---|---|
| West Twin Lake | 1,306 | 28 ft | 8 ft | 1 | 2026 |
| Turtle Lake | 845 | about 60 ft (est.) | 5 ft | ||
| East Twin Lake | 820 | 25 ft | 10 ft | 1 | 2025 |
| Grass Lake | 632 | 6 ft | 5 ft | 1 | |
| Rush Lake | 424 | 33 ft | 1 | ||
| Avalon Lake | 386 | 74 ft | 21 ft | 1 | 2026 |
| Valentine Lake | 310 | about 40 ft (est.) | 10 ft | ||
| Avery Lake | 290 | about 90 ft (est.) | 11 ft | 1 | 2012 |
| Long Lake | 279 | 84 ft | 11 ft | 1 | 2026 |
| Lake Big Wolf | 209 | 5 ft | 5 ft | ||
| Clear Lake | 138 | 90 ft | 22 ft | 2 | 2026 |
| Muskellunge Lake | 126 | 46 ft | 12 ft |
| Lake | Acres | Deepest | Clarity | Launches | Last stocked |
|---|---|---|---|---|---|
| West Twin Lake | 1,306 | 28 ft | 8 ft | 1 | 2026 |
| Turtle Lake | 845 | about 60 ft (est.) | 5 ft | ||
| East Twin Lake | 820 | 25 ft | 10 ft | 1 | 2025 |
| Grass Lake | 632 | 6 ft | 5 ft | 1 | |
| Rush Lake | 424 | 33 ft | 1 | ||
| Avalon Lake | 386 | 74 ft | 21 ft | 1 | 2026 |
| Valentine Lake | 310 | about 40 ft (est.) | 10 ft | ||
| Avery Lake | 290 | about 90 ft (est.) | 11 ft | 1 | 2012 |
| Long Lake | 279 | 84 ft | 11 ft | 1 | 2026 |
| Lake Big Wolf | 209 | 5 ft | 5 ft | ||
| Clear Lake | 138 | 90 ft | 22 ft | 2 | 2026 |
| Muskellunge Lake | 126 | 46 ft | 12 ft | ||
| Ess Lake | 119 | 51 ft | 12 ft | 1 | 2024 |
| Lockwood Lake | 118 | 18 ft | 6 ft | ||
| Gaylanta Lake | 112 | 50 ft | 12 ft | 1 | 1991 |
| Crooked Lake | 110 | 51 ft | 2 | 2017 | |
| Lower Tomahawk Lake | 104 | ||||
| McCormick Lake | 102 | 78 ft | 15 ft | 1 | 2026 |
| Atlanta | 97 | about 10 ft (est.) | 6 ft | 1986 | |
| Lake Geneva | 92 | 16 ft | 3 ft | 2025 | |
| Lake Fifteen | 90 | 55 ft | 14 ft | 1 | 2019 |
| Muskrat Lake | 85 | 4 ft | 3 ft | ||
| Hillman Impoundment | 80 | 1993 | |||
| Little Wolf Lake | 80 | 40 ft | 13 ft | 2024 | |
| Little Brush Lake | 62 | 19 ft | 9 ft | ||
| Foch Lakes | 59 | 28 ft | 3 ft | 2026 | |
| Twin Lake | 57 | about 25 ft (est.) | 9 ft | ||
| Cranberry Lake | 53 | 20 ft | |||
| Spectacle Lake (Middle | 53 | 50 ft | 13 ft | ||
| Sage Lakes | 45 | 36 ft | 9 ft | 1 | 1993 |
| Horseshoe Lake | 44 | about 30 ft (est.) | 6 ft | ||
| Walled Lake | 42 | 61 ft | 9 ft | ||
| Upper Tomahawk Lake | 39 | 6 ft | 2 ft | ||
| De Cheau Lake | 39 | 25 ft | 4 ft | 1 | |
| Bedore Lake | 38 | about 30 ft (est.) | 4 ft | ||
| Wildfowl Lake | 35 | about 20 ft (est.) | 3 ft | 2025 | |
| Oak Lake | 32 | 4 ft | 10 ft | ||
| Jackson Lake | 30 | 25 ft | 5 ft | 1 | |
| Voyer Lake | 29 | 37 ft | 11 ft | 1990 | |
| Kirtland Lake | 26 | 50 ft | 13 ft | ||
| Speiss Lake | 25 | about 30 ft (est.) | 8 ft | ||
| Doty Lake | 24 | about 20 ft (est.) | |||
| Anchor Lake | 23 | about 35 ft (est.) | 13 ft | ||
| Bass Lake (north) | 22 | about 30 ft (est.) | 2 ft | ||
| Ribble Lake | 22 | about 30 ft (est.) | 4 ft | ||
| Twin Tomahawk Lakes, Montmorency Township | 22 | 7 ft | |||
| Pug Lakes | 21 | 15 ft | |||
| Lake Hiawatha | 19 | about 20 ft (est.) | |||
| Blue Lake (south) | 18 | about 30 ft (est.) | 13 ft | ||
| Twin Tomahawk Lakes, Montmorency Township | 18 | about 25 ft (est.) | 6 ft | ||
| Blue Lake (north) | 18 | about 30 ft (est.) | 8 ft | ||
| Fuller Lake | 17 | about 15 ft (est.) | |||
| East Town Corner Lake | 17 | 9 ft | |||
| East Fish Lake | 16 | about 30 ft (est.) | 12 ft | 2010 | |
| Virginia Lake | 16 | about 25 ft (est.) | 6 ft | ||
| Indian Lake | 15 | about 20 ft (est.) | 4 ft | ||
| Town Corner Lake | 15 | 24 ft | 13 ft | 1 | 1983 |
| Spectacle Lake (East) | 15 | about 30 ft (est.) | 10 ft | ||
| Double Lake | 15 | 10 ft | 6 ft | ||
| Sucker Lake | 14 | 28 ft | 12 ft | ||
| Bass Lake (south) | 13 | 8 ft | |||
| Little Joe Lake | 12 | 39 ft | 17 ft | ||
| Bear Lake | 12 | 12 ft | 1 ft | ||
| Crystal Lake | 12 | 15 ft | 9 ft | ||
| Johnson Pond | 11 | ||||
| Coopers Pond | 11 | ||||
| Sportsmen Lake | 11 | about 20 ft (est.) | |||
| Dollar Lake, Montmorency Township | 11 | 3 ft | |||
| West Town Corner Lake | 10 | 12 ft | |||
| Dollar Lake, Montmorency Township | 10 | 17 ft |
Acres: Michigan hydrography. Deepest: Michigan DNR survey; "est." marks an older Michigan EGLE estimate, rounded to 5 ft. Clarity: Michigan EGLE satellite averages 2018–23. Launches: Michigan DNR. Stocking: Michigan DNR Fisheries. Fetched 7–8 Oct 2026.
3 lakes in Montmorency County are 75 ft deep or more by Michigan DNR survey. Clear Lake is the deepest at 90 ft, then Long Lake (84 ft), McCormick Lake (78 ft) and Avalon Lake (74 ft). The depth of the other 34 named lakes has not been surveyed; where an older state estimate exists, the register gives it as an estimate.
Michigan DNR lake survey deep points, fetched 7 Oct 2026.
Clarity is the depth at which a black-and-white Secchi disk disappears from view. Across 59 lakes with satellite readings, the middle value in Montmorency County is 9 ft. The clearest is Clear Lake at about 22 ft, then Avalon Lake (21 ft), Dollar Lake, Montmorency Township (17 ft) and Little Joe Lake (17 ft). The least clear is Bear Lake at about 1 ft. Clarity is not a test for bacteria or algae toxins.
Michigan EGLE satellite-derived Secchi depth, averages 2018–23, fetched 7 Oct 2026.
Michigan DNR lists 19 public access sites on 17 lakes in Montmorency County; 18 require a Recreation Passport. The other 53 named lakes have no public access site listed by Michigan DNR.
| Lake | Site | Facilities |
|---|---|---|
| West Twin Lake | West Twin Lake | 1 ramp lane · 8 trailer spaces · 2 car spaces · vault toilet · Recreation Passport required |
| East Twin Lake | East Twin Lake | |
| Grass Lake | Grass Lake | 1 ramp lane · 4 trailer spaces · 2 car spaces · vault toilet · accessible restroom · Recreation Passport required |
| Rush Lake | Rush Lake Flooding | 1 ramp lane · 5 trailer spaces · 2 car spaces · vault toilet · accessible restroom · Recreation Passport required |
| Avalon Lake | Avalon Lake | 1 ramp lane · 10 trailer spaces · 6 car spaces · vault toilet · accessible restroom · Recreation Passport required |
| Avery Lake | Avery Lake SFCG | 1 ramp lane · 3 trailer spaces · 2 car spaces · Recreation Passport required |
| Long Lake | Long Lake | 1 ramp lane · 2 trailer spaces · 2 car spaces · vault toilet · accessible restroom · Recreation Passport required |
| Clear Lake | Clear Lake State Park | 1 ramp lane · 30 trailer spaces · 10 car spaces · vault toilet · accessible restroom · Recreation Passport required |
| Clear Lake | Clear Lake State Park | 1 ramp lane · 12 trailer spaces · Recreation Passport required |
| Ess Lake | Ess Lake SFCG | 1 ramp lane · 1 trailer space · 1 car space · Recreation Passport required |
| Gaylanta Lake | Gaylanta Lake | 1 ramp lane · 2 trailer spaces · 1 car space · vault toilet · accessible restroom · Recreation Passport required |
| Crooked Lake | Crooked Creek Pond | 1 ramp lane · 5 trailer spaces · 10 car spaces · vault toilet · accessible restroom · Recreation Passport required |
| Crooked Lake | Crooked Lake | 1 ramp lane · 1 trailer space · 1 car space · vault toilet · accessible restroom · Recreation Passport required |
| McCormick Lake | McCormick Lake | 1 ramp lane · 6 trailer spaces · 2 car spaces · vault toilet · Recreation Passport required |
| Lake Fifteen | Lake Fifteen SFCG | 1 ramp lane · 6 trailer spaces · 2 car spaces · Recreation Passport required |
| Sage Lakes | Sage Lake Flooding | 1 ramp lane · 1 trailer space · 3 car spaces · vault toilet · accessible restroom · Recreation Passport required |
| De Cheau Lake | De Cheau Lake | 1 ramp lane · 1 trailer space · 1 car space · vault toilet · accessible restroom · Recreation Passport required |
| Jackson Lake | Jackson Lake SFCG | 1 car space · Recreation Passport required |
| Town Corner Lake | Town Corner Lake SFCG | 3 car spaces · Recreation Passport required |
Michigan DNR boating access sites, fetched 8 Oct 2026.
Michigan DNR has stocked 21 lakes in Montmorency County 505 times since 1979. Walleye went into 10 lakes: Atlanta, Avery Lake, Crooked Lake, East Twin Lake, Ess Lake, Hillman Impoundment, Little Wolf Lake, Long Lake, Voyer Lake and West Twin Lake. The most recent stocking was 75,360 walleye in West Twin Lake on 9 June 2026. Avalon Lake, Clear Lake and McCormick Lake are designated trout lakes (Type B), with their own seasons and limits. Rivers and smaller waters stocked in the county: Canada Creek, Gilchrist Creek, Hunt Creek - Upstream from Co. Rd. 612,, Thunder Bay River and Unnamed Lake (31N 02E 10).
| Species | Lakes | Where |
|---|---|---|
| Walleye | 10 | Atlanta, Avery Lake, Crooked Lake, East Twin Lake, Ess Lake and Hillman Impoundment and 4 more |
| Rainbow trout | 8 | Avalon Lake, Clear Lake, East Fish Lake, Foch Lakes, Lake Fifteen and Long Lake and 2 more |
| Brown trout | 6 | Avalon Lake, Clear Lake, East Fish Lake, Lake Fifteen, McCormick Lake and Town Corner Lake |
| Brook trout | 5 | Avalon Lake, Clear Lake, East Fish Lake, McCormick Lake and Sage Lakes |
| Bluegill | 3 | Lake Geneva, Little Wolf Lake and Wildfowl Lake |
| Hybrid sunfish | 3 | Lake Geneva, Little Wolf Lake and Wildfowl Lake |
| Splake | 2 | Avalon Lake and Clear Lake |
| Black crappie | 2 | Little Wolf Lake and Wildfowl Lake |
| Tiger muskellunge | 2 | Little Wolf Lake and West Twin Lake |
| Yellow perch | 1 | Little Wolf Lake |
| Fathead minnow | 1 | Little Wolf Lake |
| Lake trout | 1 | Avalon Lake |
| Arctic grayling | 1 | East Fish Lake |
| Northern pike | 1 | Gaylanta Lake |
| Largemouth bass | 1 | Foch Lakes |
2026: 7 stockings, 128,070 fish in 6 lakes.
Michigan DNR Fisheries stocking records, fetched 8 Oct 2026. Each stocking is placed by its survey section, so lakes that share a name are kept apart. How we measure
Michigan DHHS has records for 1 lake in Montmorency County: water samples tested for the toxin microcystin, and bloom reports from the public that may not have been tested. 0 lakes have measured at or above the EPA swimming guideline of 8 ppb at least once.
Michigan DHHS harmful algal bloom records, fetched 7 Oct 2026; U.S. EPA 2019 recreational criteria. Beach E. coli testing is not yet covered here.
77 lakes of 10 acres or more, 70 of them named, in Michigan's hydrography layer. Smaller ponds are not counted.
West Twin Lake, at 1,306 acres.
Clear Lake, 90 ft at its deepest point by Michigan DNR survey.
Clear Lake, with an average Secchi depth of about 22 ft (satellite readings, 2018–23).
Michigan DNR lists public access sites on West Twin Lake, East Twin Lake, Grass Lake, Rush Lake, Avalon Lake, Avery Lake, Long Lake and Clear Lake and 9 more.
Atlanta, Avery Lake, Crooked Lake, East Twin Lake, Ess Lake, Hillman Impoundment, Little Wolf Lake, Long Lake, Voyer Lake and West Twin Lake, by Michigan DNR stocking records.
Michigan DHHS has algae records for 1 lakes here; 0 measured at or above the EPA swimming guideline of 8 ppb at least once.