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Little Muskegon River, Michigan

44 mapped river miles, draining 366 square miles across Mecosta, Newaygo counties, in the Muskegon River watershed. A USGS gauge stands in it, but its record is too short for a measured July mean, so what this page knows about its temperature is today's reading and MDNR's classification of the water itself.

Open in BirdTrout
Map key
Public land — where the bank is open to walk and fish
USGS gauge — live water temperature
Water temperature — the colour of the river, and of every dot on it

50°F and colder is cold, through cold-transitional and cool, to warm above 70°F — the same four bands, breaking at 58, 64 and 70°F, that the app paints. Grey is water nobody has measured.

The nearest live reading

This gauge stands in the Little Muskegon River. Its record is too short for a July mean, so the class below is MDNR's — but the reading is this water.

57.9 °F
Little Muskegon River Near Oak Grove
on this water · 133 cfs · read 30 Sep, 9:30 am ET
Cold

The character of the water

Forty-four and one-tenth mapped miles of fifth-order river across Mecosta and Newaygo counties, a median width of 33.9 feet, and a drainage of 366.26 square miles reaching the Muskegon River. All 42.4 regulated miles are Type 4, open January 1st through December 31st, with artificial lures and all types of natural bait allowed. MDNR typing covers 11.5 miles, 26 percent of the length, and splits at the middle of the river: cold-transitional small river at low gradient from river mile 42.8 to 28.2, then warm transitional small river, class Cool, from 26.4 down to 7.6. Those classes describe the valley segment rather than the water, so no temperature is measured, though the nearest gauge sits on the river itself at 0.0 miles away. Rainbow trout stocking continues through 2026 at three Mecosta County sites, at 1,052.1, 774.2 and 1,241.8 fish per mile. Eight public land units total 27,734 acres. There are two access sites, both launches.

Thermal classification

MDNR types this water from its valley, not from a thermometer in it. A class, not a temperature — no July mean, because none was measured here.

Reach Typed miles Band MDNR type
RM 42.8–28.2 9.1 cold-transitional Cold transitional small river · low gradient
RM 26.4–7.6 2.4 cool Warm transitional small river · low gradient

MDNR has classified 11.5 of the 44 miles NHD carries for this stream — 26% of it. The typed water splits 9.1 mi cold-transitional, 2.4 mi cool. The untyped reaches are not warm water — they are water MDNR's inventory does not reach, and the mile ranges above span only the reaches it does.

Questions about this river

Regulations

MDNR trout stream types, as designated. Types on file cover 42.4 of the 44.1 mapped miles; 1.7 miles carry no type in this dataset. Always check the current Michigan Fishing Guide before you fish — this is a copy, and the Guide is the rule.

Type Where Season Minimum sizes
Type 4
42.4 mi
RM 44.1–0.0 January 1st–December 31st Brook trout 7", Brown trout 10", Rainbow trout / steelhead 10", Lake trout 10", Chinook salmon 10", Coho salmon 10", Pink salmon 10", Atlantic salmon 10"

Creel across all types: 5 fish, with no more than 3 trout 15“ or greater. Zero (0) Arctic Grayling. Tackle: Artificial lures and all types of natural bait may be used.

Access

2 mapped MDNR access sites within a quarter mile of the water, upstream first: Altona (RM 40.5), Rustford Pond (RM 37.1). 0 walk-in, 2 boat or canoe launches.

Public land on the river

8 units of public or open-access land touch this river, 27,734 acres in total. Acreage is the whole unit, not the part beside the water.

Unit Owner Acres
Manistee National Forest U.S. Forest Service 26,347
Forest Reserve Other State Land 841
Muskegon River Michigan DNR 482
Village Of Altona Park City 46
Little Muskegon River Boating Access Site Michigan Department of Natural Resources 10
Altona Riverside Park — 6
Altona Dnr Launch — 2
Rustford Dam Dnr Access — 0

Species

Stocked, per the MDNR record: Black crappie, Bluegill, Rainbow trout, Walleye, Yellow Perch. The most recent plants are Rainbow trout at Little Muskegon River (Mecosta Co., through 2026); Rainbow trout at Little Muskegon River Rustford PAS (Mecosta Co., through 2026); Rainbow trout at Little Muskegon River (Mecosta Co., through 2026).

Hatches on this water

47 insects are recorded from southern lower Michigan, which is the region this river sits in. That is a claim about the region and not a survey of this stream: nobody has recorded which of them has been caught here. Open the river in the app and the hatch panel will narrow it to the ones whose temperature window today's reading is inside.

InsectPeakWaterSize
Fish Eggs
Other
October–January and April 33–60°F #10–16
Little Black Stonefly
Allocapnia / Capnia spp.
January–April 34–46°F #16–18
Little Brown Stonefly
Taeniopteryx / Strophopteryx spp.
February–April 38–50°F #12–16
Blue-Winged Olive
Baetis spp.
March–May and September–November 38–58°F #16–22
Blackfly
Simulium spp.
April–June 40–65°F #18–22
Blue Quill
Paraleptophlebia adoptiva
April–May 44–56°F #16–18
Cranefly
Tipula spp.
April–June and September–October 40–65°F #6–10
Grannom
Brachycentrus spp.
April–May 48–58°F #14–16
Hendrickson
Ephemerella subvaria
April–May 45–58°F #12–14
Little Black Caddis
Chimarra atterima
April–May 46–58°F #16–20
Caterpillar
Lepidoptera larvae
May–September 55–75°F #8–14
Crayfish
Orconectes spp.
May–October 55–78°F #4–8
Light Cahill
Maccaffertium ithaca
May–July 55–68°F #12–16
Little Sulphur
Ephemerella dorothea
May–July 50–62°F #16–20

And 33 more — the year-round records, mostly: midges, scuds and sculpins, which are in the water every day and are therefore never the news.

Tributaries and watershed

10 named streams meet this one. Confluence miles are above the mouth; the longest twelve are listed.

Little Muskegon River sits in HUC 8 04060102, the Muskegon River watershed, and drains 366 square miles, Strahler order 5 at the mouth. 59 NHD reaches carry the name for 44.0 miles in total.

Other water nearby

The closest 6 rivers on this site, straight-line from the middle of this one — not drive time.