Slim Lake Loop
- 6.0 mi
- round trip
- 760 ft
- climb
- 1,579 ft
- high point
- Out and back
- route
- Aug–Sep
- best months
Is SLIM LAKE LOOP open right now?
Closure in the area
There's a closure order in Superior National Forest. It doesn't name SLIM LAKE LOOP, so check the source for the area it covers.
Post Wildfire Closures, Effective October 1, 2026
Agency closure covering Superior National Forest · Order 09-09-00-26-11 · USFS · Superior National Forest
Forest Road Improvement Projects
Agency alert covering Superior National Forest · USFS · Superior National Forest
As of · Source: USFS · Superior National Forest. Agencies don't list every closure — check before you go.
Slim Lake Loop is a 12-mile out-and-back hike in the Kawishiwi Ranger District of Superior National Forest in northeastern Minnesota, within the Boundary Waters Canoe Area Mining Protection Area Mineral Reserve Area. The Forest Service manages the land, and the route is rated hard, with a total elevation gain of 760 feet and a total loss of 760 feet over the round trip. The climb is steady, and the steepest stretch comes at about 3.9 miles, where the grade reaches 13%. The high point is 1,579 feet, and the low point is 1,426 feet. The trip takes about 4.5 hours. Summer is the most comfortable time to go. Typical averages from a nearby weather station in Ely show July highs around 79°F and lows near 53°F, while January highs average about 15°F. Several other routes start right next to the loop. Moose Horn Loop and North Arm Trail are both about 0.1 mile away, and Fenske Lake Campground is about 3.3 miles off. Paddlers can reach the Circle Route, about 4.5 miles away.
Local outfitters
Not on Roamze yet. Their page has how to reach them.
- Moose Horn LoopCross-country skiing0.1 mi
- NORTH ARM TRAILHiking0.1 mi
- North ArmCross-country skiing0.1 mi
- SentinelsCross-country skiing0.1 mi
- North Star RunHiking0.1 mi
Fenske Lake CampgroundPier fishingPhoto: Recreation.gov (RIDB) / public domain3.3 mi- Circle RouteCanoeing4.5 mi
- Science BoulderRock climbing5.3 mi
Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)
NORTH JUNCTION-SOUTH LOOPHiking · ~5 min drivePhoto: Tony Webster, CC BY-SA 2.0 (via Flickr)
Dry LakeHiking · ~9 min drivePhoto: Abnormally Weird, CC BY 2.0 (via Flickr)
Bass LakeHiking · ~10 min drivePhoto: USDAgov, Public Domain Mark (via Flickr)
Fenske CampgroundHiking · ~6 min drivePhoto: Tony Webster, CC BY-SA 2.0 (via Flickr)- Troll's WayHiking · Next door
- Coxey PondHiking · Next door
Everett-FenskiHiking · ~6 min drivePhoto: Joe Passe, CC BY-SA 2.0 (via Flickr)- OLE'S LOOPHiking · ~3 min drive
- Hug a TreeHiking · ~1 min drive
BASS LAKE TRAILHiking · ~9 min drivePhoto: USDAgov, Public Domain Mark (via Flickr)
Best time to visit SLIM LAKE LOOP
Best months: August–September. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.
Jan
15° / -7°
11 wet
Feb
23° / -5°
9 wet
Mar
36° / 10°
9 wet
Apr
51° / 25°
10 wet
May
65° / 38°
13 wet
Jun
75° / 49°
14 wet
Jul
79° / 53°
13 wet
Aug
78° / 52°
12 wet
Sep
68° / 44°
12 wet
Oct
52° / 32°
14 wet
Nov
34° / 19°
11 wet
Dec
21° / 3°
11 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Ely, MN, 7 mi away at 1,382 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Closures we've recorded since August 2026
Forest-wide Fire Restrictions
Superior National Forest · Order dated July 12, 2026; seen Aug 23, 2026 → lifted Aug 25, 2026 · Forest Service