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Firefly Lake
Enhanced dataHistorical depth chart
Firefly LakeVilas County, WI
Historical source depth chart available1 converted source DNR map sheet can be panned and zoomed in the browser. Interactive contours stay hidden until visual QA passes. Historical survey — not for navigation.
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Fishing spots, food, lodging, marinas, and rentals around Firefly Lake.
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Fishing forecast
Best windows for Firefly Lake
Weather-based planning built from the National Weather Service hourly forecast near this lake.
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Checking wind, precipitation, and near-term weather windows.
Water temperature
Firefly Lake water temperature today
Modeled surface-temperature estimate built from seasonal climate, lake depth, and live National Weather Service air temperatures near this lake.
71°FWarm
Seasonal estimate. Checking current National Weather Service air temperatures…
Comfortable summer pattern. Bass and panfish are active; early and late hours beat the midday heat.
Estimates are modeled, not measured. Actual temperatures vary with depth, wind mixing, and recent weather — verify conditions before swimming, boating, or heading onto ice.
Official Wisconsin information
Plan with DNR sources
LakeList links to the authoritative record so you can verify maps, rules, and current notices before leaving.
Historical DNR depth maps1 converted map sheetView DNR depth mapHistorical map · not for navigationFishing regulationsVerify current seasons, limits, and restrictionsOfficial DNR lake pageFacts, advisories, boating, and water qualityWater quality reportsMonitoring stations, clarity, and DNR reportsInvasive speciesVerified, observed, and historical AIS recordsBoating ordinancesLocal slow-no-wake and water-use restrictionsFish consumption advisoriesStatewide and waterbody-specific health guidance
Historical depth maps are not for navigation. Verify regulations and access at the official source before your trip.
Historical Wisconsin DNR maps
Firefly Lake depth maps
1 converted map sheet · 1 map-aligned. These historical surveys are not for navigation.
Navigable depth map
Firefly Lake · sheet 1
Pan, zoom, and inspect the converted Wisconsin DNR historical map image in the browser. Historical survey — not for navigation.
Source: Wisconsin DNR · WBIC 1848900 · map alignment passed · Historical lake maps are not for navigation.
Source: Wisconsin Department of Natural Resources. Converted for browser access with source URLs, checksums, and retrieval dates retained. Historical lake maps are not for navigation.
33surface acres
46max depth feet
2public access points
45.9991, -89.6343latitude, longitude
Access
Public access points
Boat launchFirefly Lake Carry-in46.00088, -89.63373Managed by STATE(DNR)TOWN OF BOULDER JUNCTIONRamp surface: UnimprovedLanding type: CARRY-INADA-accessible feature: NoVerified 2026-07-12
Boat launchFirefly Lake Carry-in Access45.99879, -89.63696Managed by STATE(DNR)TOWN OF BOULDER JUNCTIONRamp surface: UnimprovedLanding type: CARRY-INADA-accessible feature: NoVerified 2026-07-12
Nearby
Trip-planning places
No nearby trip-planning places yet
Fishery
Notable species
PanfishTroutSmallmouth Bass
Wisconsin DNR stocking
Fish stocking history
The latest published year is 2011, when 1,065 fish were recorded across 1 entry.
2011
Brown TroutSt. Croix · Yearling
1,0658.2 in average
2010
Brown TroutWild Rose · Yearling
1,3507.4 in average
Depth FAQ
How deep is Firefly Lake?
Firefly Lake is 46 feet deep at its deepest point, according to Wisconsin DNR records.
Is there a free depth map of Firefly Lake?
Yes. 1 scanned Wisconsin DNR lake survey map sheet is free to view and zoom on LakeList. These historical surveys are not for navigation.
Where does the Firefly Lake depth map come from?
The map sheets are converted from official Wisconsin DNR lake survey documents, with the source URL, checksum, and retrieval date retained for every sheet. Historical surveys are not for navigation.
Trust and freshness
Where this lake data comes from
Wisconsin DNR Lake Mapsname, coordinates, county, source identifiers
LakeList record updated 2026-07-14
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