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Fire Lake

Iron County, Michigan · MI DNR bathymetric survey
40ft Max
depth
131 acres 10 contours Public access
Paddling Index81Very Goodhigh-speed boating prohibited · sheltered geometry · wooded shoreline
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Depth scale

The lake

Survey readout

Fire Lake is mapped to a depth of 40 ft on the Michigan DNR survey and covers about 131 acres in Iron County, Michigan.

Measured from the Michigan DNR inland-lake contour survey.

Deepest sounding
40 ft
Mean depth
11 ft · estimated
Surface area
131 acres
Estimated volume
1,434 acre-ft · 467M gal
Shoreline
3.97 mi · irregular
Aquatic vegetation
2% of surface · NDVI estimate
Public access
Boat Launch
Additional depth details10 contours
Contour depths
0–40 ft
Recorded point soundings
40 ft, 36 ft, 20 ft, 10 ft

56.1% of the surface sits over water shallower than 10 ft; 19.2% is deeper than 20 ft. Depth, area and volume are estimated from the interpolated survey surface — historical reference, not measurement.

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Chart data

Provenance

Sources: MI DNR inland lake contours, USGS 3DEP, USDA NAIP (public domain), OpenStreetMap (ODbL), MI DNR Boat Launches.

⚠ Not for navigation

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Map details & sources5 sources

All layers registered to one bounding box; positions in WGS 84.

Survey-derived depth contours drape over USGS 3DEP elevation, with a USDA NAIP aerial basemap and OpenStreetMap shoreline. Colour shows surveyed depth; dark lines are the survey's own isobaths.

Coordinates
46.19372, -88.46829
MI DNR lake ID
L45648
Vertical exaggeration
2.32×
Basemap
USDA NAIP · public domain
Model size
2.6 MB

Watercraft rules

county-enforced local controls · MI DNR
High-speed boating prohibitedwhole lake, as mapped
Official rule details1 rule
High-speed boating prohibited“High-speed boating and water skiing prohibited”
Where the mapped control areas and the official regulation language differ, the language governs. Official county watercraft controls.

Paddling

Paddling Index methodology v1.0 · calculated 2026-08-21
81 / 100Very GoodData confidence: High

Fire Lake has a heavily wooded and largely undeveloped setting, well sheltered geometry, some nearby classified roads. Watercraft controls: High-speed boating prohibited.

Why this score?5 components

Included in the index

ComponentRatingPoints of weightMeasurement
Natural settingExcellent24.1 of 3081% natural land cover within 150 m of shore (52% forest, 26% wetland; 11% developed)
Geometric wind exposureExcellent22.9 of 25mean fetch 554 m · 52% of sampled water within 500 m of shelter · short fetch in most directions
Watercraft controlsHigh-speed boating prohibited12.8 of 15High-speed boating prohibited
Public accessGood12.8 of 151 site with DNR boating-facility records · 1 ramp lane · 3 trailer spaces
Road isolationGood8.8 of 15some nearby classified roads · 5 MDOT-classified segments within 1.2 km, peak 956 vehicles/day

Additional paddling considerations

These describe the lake but are not part of the v1 Paddling Index and do not change the number above.

Wake sensitivity
Low — wide enough that wakes disperse over most of the lake
Aquatic vegetation
Low — approximately 2% mapped coverage · NAIP aerial imagery (NDVI)
Observed motorized activity
Unknown — No lake-level measurement of boat traffic is available. Legal permission to operate motors is not evidence of use.
Wildlife habitat potential
High — 52% forest and 26% wetland cover within 150 m of shore
How this index is calculated. The Paddling Index is a relative composite derived from lake geometry and public environmental, access, roadway and watercraft-control data. It is not a user review, a safety rating, or a prediction of an individual outing. Differences of a few points should not be treated as meaningful — an 84 and an 82 are broadly comparable. Components and weights: natural setting 30%, geometric wind exposure 25%, watercraft controls 15%, public access 15%, road isolation 15%; observed motorboat activity is weighted 0% because no defensible lake-level measurement exists. Where a component has no data the remaining weights are renormalized and the confidence rating is lowered; below Medium confidence no number is shown. Sources: MI DNR Boating Access Sites (2026-08), MI DNR Watercraft Control Areas (2026-08), USGS/MRLC NLCD Land Cover (2021), MDOT Annual Average Daily Traffic (2025) and MI DNR bathymetric survey outline (0 ft isobath). Conditions change quickly — check current weather and local conditions before going out.

Fish you might catch

from angler catches & active stocking

2 species with recent evidence in this lake — sized relative to each other. Illustrations are AI-generated representative adults in everyday colours, not photographs (provenance).

Smallmouth Bassstocked
Bluegill

Historically stocked, no recent evidence: Rainbow Trout (last planted 2000), Walleye (last planted 1984) — not shown above.

Fishing rules for this lake Beta

Size and daily limits for the 2 species found here — 1 open to harvest, 1 with a special rule or closed season.

These are hook-and-line size, daily limit and season rules. Gear, spearing and bow fishing, spawning closures and rod limits are set by other Fisheries Orders and are not shown here.

Smallmouth BassSpecial rulesNamed in a fisheries order for this lake — see the rule text below
BluegillOpen to harvestMinimum size: no size limit · Daily limit: 25 (FO-215 · statewide inland) The 25 is in any combination of the sunfishes — Bluegill, Pumpkinseed, Black and White Crappie, Rock Bass, Green, Longear and Redear Sunfish, Warmouth and hybrids — not 25 of each (FO-215.23A).
Beta. This panel is newly published. Every value is parsed from the Michigan DNR fisheries orders and hand-checked against the printed digest, but the coverage and wording are still under review. If anything here disagrees with the Michigan DNR's Fisheries Orders or its printed digest, the DNR is right — the signed Fisheries Order is the legal text; the digest summarises it.
BluegillOpen to harvestMinimum size: no size limit · Daily limit: 25 (FO-215 · statewide inland) The 25 is in any combination of the sunfishes — Bluegill, Pumpkinseed, Black and White Crappie, Rock Bass, Green, Longear and Redear Sunfish, Warmouth and hybrids — not 25 of each (FO-215.23A).
Smallmouth BassSpecial rulesNamed in a fisheries order for this lake — see the rule text below
Official rule text for this lake
“the minimum size limit for Largemouth and Smallmouth Bass is 18-inches. The daily possession limit for Largemouth and Smallmouth Bass is one (1).” — FO-206

From FO-206.26 (eff. 2026-04-01) / FO-215.23A (eff. 2023-09-15) / FO-254.25 (eff. 2025-10-10), checked against the 2026 Michigan Fishing Regulations digest · verified 2026-08-24. Regulations can change — Michigan DNR rules are the controlling source; verify current regulations before fishing. Official regulations

Compiled from registered Master Angler catches and Michigan DNR stockings within the last 10 years. Silhouettes are stylized and scaled to typical adult sizes relative to one another. Presence is not a promise — fishing isn’t a sure thing.

Notable catches

Master Angler program · 2023

One Master Angler catch is on record for this lake: 10.2″ bluegill in 2023 on live bait.

Master Angler entries are fish that met the program’s minimum size and were registered by the angler — they show what this lake has produced, not what a day here will produce. A catch on record is history, not a species listing: “Fish you might catch” lists only species with current evidence. Source: Michigan DNR Master Angler data.

DNR stocking

state stocking record · 1983–2000

Fish the Michigan DNR has planted in this lake — what was added, distinct from what a survey netted above.

Rainbow trout128,729 stocked · 1983–2000 · 18 plantings
Smallmouth bass3,078 stocked · 1986
Walleye7,224 stocked · 1984

No stockings recorded since 2000 — shown as history.

Non-native species records

No non-native species recorded in the available dataset. This does not confirm that no non-native species are present.

Source: Midwest Glacial Lakes Partnership Conservation Planner; underlying nonindigenous species records from the USGS Nonindigenous Aquatic Species database.

Bait & tackle nearby

licensed retail bait dealers · straight-line distance
Luckey's Sport Shop≈8.3 mi3237 US Hwy, Iron River · Google · Apple
Crystal Bait≈9.2 mi · (906) 875-4434520 Crystal Falls, Crystal Falls · Google · Apple
Superior Sport & Feed LL LLC≈9.5 mi · (906) 841-113131 Superior Ave, Crystal Falls · Google · Apple
Dealers licensed by the Michigan DNR to sell live bait; listing is not an endorsement. Distances are straight-line, not driving — and call ahead: hours and stock change. Source: Michigan DNR retail bait dealer data.
Quick answers

Fire Lake — common questions

How deep is Fire Lake?

The deepest contour on the Michigan DNR bathymetric survey of Fire Lake is 40 ft. That is the deepest depth the historical survey map records, which may differ from the deepest point of the lake itself.

How big is Fire Lake?

Fire Lake covers about 131 acres in Iron County, Michigan.

What is the average depth of Fire Lake?

The estimated mean depth of Fire Lake is 11 ft, calculated from the survey contours.

What fish are in Fire Lake?

Species with survey, catch or recent-stocking evidence include smallmouth bass, bluegill. The page shows the evidence behind each.

Is there public access to Fire Lake?

Yes. The Michigan DNR boat-launch data identifies 1 public access site on Fire Lake, including Fire Lake.