State Forest · Wisconsin
Firefly Lake Campground
State Forest · Wisconsin, United States · in Northern Highland-American Legion State Forest
- Sites
- 71
- Hookups
- 1 electric, 70 no hookups
- Season
- April 30 to October 12
- Drinking water
- Yes
- Restrooms
- Yes
- Showers
- Yes
- Pets
- Yes
- Elevation
- 1,654 ft
- Dark sky
- Bortle class 1
- Cell coverage
- T-Mobile weak · AT&T weak · Verizon none (carriers' 4G LTE filings to the FCC, 2025-12; not measured here)
- Phone
- 715-356-3668
About
Firefly Lake Campground, sites 201-271, is located in the central portion of the forest on the north side of the lake. All sites in the campground are reservable. This 27-acre lake has excellent swimming due to the clear water and fine sand beach. No boat motors are allowed. The campground has five vault toilet buildings, five hand pumps for drinking water, one flush toilet building with showers, separate trash and recycling dumpsters and a carry-in boat landing. This campground is only about one-half mile from the Crystal Lake Picnic Area and is accessible by the paved bike trail at the campground entrance. Site 271 and 222 are ADA-accessible.
Sites 202-203, 223-225, 226-227, 245-247 and 267-268 are double campsites. They accommodate up to 12 people and two-wheeled camping units.
This campground is open April 30 to Columbus Day.
71 campsites on the reservation system, 1 with electricity. In Northern Highland-American Legion State Forest.
Fees
Nightly rates vary by site and season and are shown when you pick a site on the reservation system; campers from outside Wisconsin pay $15 a night more; $9.30 reservation fee per booking. A vehicle admission pass is required: $13 a day ($16 with out-of-state plates) or $28 for 12 months ($50 out-of-state).
Weather, month by month
| Month | Typical high | Typical low | Coldest night | Hottest day | Years with a night below 32°F |
|---|---|---|---|---|---|
| January | 19° | 5° | -24° | 40° | 11 of 11 |
| February | 23° | 8° | -18° | 45° | 11 of 11 |
| March | 35° | 22° | -4° | 62° | 11 of 11 |
| April | 46° | 31° | 12° | 74° | 10 of 11 |
| May | 65° | 45° | 30° | 80° | 2 of 11 |
| June | 72° | 55° | 44° | 87° | 0 of 11 |
| July | 78° | 61° | 53° | 93° | 0 of 11 |
| August | 74° | 60° | 54° | 84° | 0 of 11 |
| September | 70° | 55° | 35° | 81° | 0 of 11 |
| October | 52° | 39° | 26° | 70° | 3 of 10 |
| November | 35° | 27° | 6° | 59° | 10 of 10 |
| December | 27° | 13° | -13° | 50° | 10 of 10 |
Mid-month figures from 2016–2026 of daily weather at this spot (ERA5 reanalysis via Open-Meteo, CC BY 4.0), in °F. Typical is the median; coldest and hottest are the extremes seen.
Nearby campgrounds
- Crystal Lake Campground · State Forest · 0 mi · 100 sites
- Musky Lake Campground · State Forest · 1 mi · 80 sites
- South Trout Lake Campground · State Forest · 2 mi · 23 sites
- Allequash Lake Boat-in Campsites · State Forest · 2 mi · 4 sites
- Starrett Lake Campground · State Forest · 3 mi · 41 sites
All public campgrounds in Wisconsin · Every state and province · Facts read from the operator 2026-09-17. Confirm fees, rules and current status with the operator before you go.