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98-acre lake in Park County, Montana. The lake tops out around 70 ft. The depth chart is built from real state fisheries GPS surveys, so the humps, channels and drop-offs you see are measured, not guessed. Below is the species-by-species picture, pulled from the same data the map uses.
The chart traces 3.9 miles of shoreline here. With a shoreline index of 2.3, this water is all arms and coves — edge habitat well beyond its acreage. 63% of the surface is littoral (under ~15 ft) — cover, weeds and forage water. Figure 1.2 mi of water from one end to the other, 0.4 mi at the beam. It sits in Park County. Rock Island Lake sits 1 mi southwest — the closest neighbouring chart.
Spring brook trout on Fox Lake (Park) hold shallow, usually 2 to 15 ft. By summer they slide out to 10 to 30 ft, and by winter most fish are in 3 to 20 ft. The chart's best answer is Break off the point — drop-off, 13 ft, prime for summer. Prime time lands in early morning and the evening. The summer box starts with a small spoon fished deep or a trolled lake-clear wobbler + worm.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Main-lake point (2 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | Break off the point (13 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Main-lake point (2 ft) | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Break off the point (13 ft) | Small jigging spoon, Tungsten jig + plastic |
Early season rainbow trout use the shallows, holding in 5 to 20 ft. Expect a summer slide to 8 to 30 ft, then a winter hold in 8 to 40 ft. Put Break off the point first on the milk run — a drop-off near 13 ft that grades prime for winter. In summer the feeding windows fall in early morning and the evening. Tie on a dodger + spoon (deep troll) or a flutter spoon and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Secondary point (7 ft) | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Break off the point (13 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Break off the point (13 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 40 ft | dawn | Break off the point (13 ft) | Jigging spoon, Tube jig (white) |
Spring arctic grayling on Fox Lake (Park) hold shallow, usually 2 to 10 ft. By summer they slide out to 3 to 15 ft, and by winter most fish are in 8 to 25 ft. The chart's best answer is Break off the point — drop-off, 13 ft, prime for fall. Prime time lands in the evening and early morning. The summer box starts with a dry fly (parachute adams, elk hair caddis) or a small inline spinner.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | midday & dusk | Shallow bay flat (2 ft) | 1/16 oz spinner (silver), Small dry fly (Adams, Griffith's) |
| Summer | 3 to 15 ft | dusk & dawn | Break off the point (13 ft) | Dry fly (parachute Adams, elk hair caddis), Small inline spinner |
| Fall | 6 to 20 ft | midday | Break off the point (13 ft) | Small spoon, Beadhead nymph under indicator |
| Winter | 8 to 25 ft | midday & dawn | Break off the point (13 ft) | Tungsten jig + waxworm, Small jigging spoon (gold) |
Structure-wise the chart holds 6 features, led in depth by Deep basin at roughly 70 ft.
Season dates, license requirements, and size and bag limits for Montana waters are set by the Montana Fish, Wildlife & Parks — and special regulations can apply to Fox Lake (Park) specifically, so confirm the current rules before you fish.
Check the official Montana fishing regulations →
Fox Lake (Park) is about 70 ft (21 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Anglers target brook trout, rainbow trout, arctic grayling on Fox Lake (Park).
Break off the point is the top-rated area: a drop-off in about 13 ft of water that rates prime for rainbow trout in winter. Every other rated spot, per species and season, is on the map above.
For brook trout, 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 Fox Lake (Park) is regulated by the Montana Fish, Wildlife & Parks. Check the official Montana regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Rock Island Lake 1 mi · Diamond Lake (Carbon) 1 mi · Widewater Lake (Carbon) 2 mi · Canyon Lake (Carbon) 2 mi · Vernon Lake 2 mi · Aquarius Lake 2 mi · Russell Lake 2 mi · Big Moose Lake 3 mi · Big Moose Lake 3 mi, WY · Mariane Lake 3 mi · Ivy Lake 3 mi, WY · Broadwater Lake 3 mi
See how Fox Lake (Park) stacks up: best rainbow trout lakes in Montana · best brook trout lakes in Montana · best arctic grayling lakes in Montana
More water nearby: Park County fishing maps (31 charts). Browse all Montana fishing maps or see every water on DepthScout. Bathymetry credit: state fisheries survey programs. 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.