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Island Lake is a public lake in Stillwater County, Lincoln County and Missoula County, Montana, managed by Montana Fish, Wildlife & Parks. It is public water managed for fishing by the Montana Fish, Wildlife & Parks. Public access confirmed via MTFWP public water.
A Montana mountain or foothill lake (Seeley, Salmon, Placid, Swan, Ashley, Whitefish, Holland, Lindbergh) — rainbow, cutthroat and brook trout, kokanee salmon in some, mountain whitefish. Classic western Montana alpine-lake fishing.
Island Lake covers about 566 acres in the South Central & Yellowstone region. Anglers here mostly fish for rainbow trout, westslope cutthroat trout, brook trout, kokanee salmon; bull trout, mountain whitefish, golden trout, largemouth bass are also on record. The nearest other mapped waters on PiscaMaps are Princess Lake and Arapooash Lake.
Species from PiscaMaps water-type profiles, MTFWP trout designations and hand research.
Night fishing: No statewide night-fishing closure in Montana, though many Blue Ribbon trout rivers have seasonal 'hoot owl' restrictions (afternoon/evening closures) during hot, low-water summer conditions to protect stressed trout — check current FWP drought restrictions before an evening trip.
Boats: Flathead Lake, Fort Peck Lake, Canyon Ferry and the other big reservoirs take full-size boats; most Blue Ribbon trout rivers (Madison, Big Hole, Beaverhead) are floated by drift boat, raft or canoe. An AIS watercraft inspection is mandatory for all trailered boats moving between waters.
Bank & bivvy camping: Camp at MTFWP Fishing Access Sites (many allow camping, some are day-use only — check the site listing), Montana state parks, and National Forest campgrounds along the trout rivers.
Tackle: Trout limits vary widely by water and are often catch-and-release or reduced-limit on the famous Blue Ribbon rivers; walleye/northern pike/bass limits on the reservoirs are more generous. Always check the current MTFWP fishing regulations for this specific water — Montana's regs are unusually water-specific.
Boat ramps: 1 mapped — Boat ramp.
Camping: 1 site mapped nearby — Campsite.
Source: OpenStreetMap contributors.
Anyone 12 or older needs a Montana fishing licence — the resident annual (Conservation License + fishing) is about $34, the non-resident annual about $150, with non-resident 2-day (~$35) and 10-day (~$75) licences also sold. A separate Aquatic Invasive Species (AIS) prevention pass fee applies to residents and non-residents alike. Montana residents 62 and older, and legally blind residents, pay a reduced fee. Buy from FWP at fwp.mt.gov. A Montana fishing licence covers this water — access via an MTFWP Fishing Access Site.
Every water carries species, bank & boat access, current regulations and live water conditions — and members get Swim Mapper, Catch Logger and Trip Planner. It's the only US map with a dedicated carp-water layer.
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