Ann Arbor
- 5.3 mi
- round trip
- 2,669 ft
- climb
- 6,320 ft
- high point
- Out and back
- route
- Jul–Sep
- best months
Is Ann Arbor open right now?
Alert in the area
The Forest Service lists an alert for Lolo National Forest.
East Fork Big Creek Road & Trail Closure- Superior Ranger District
Agency alert covering Lolo National Forest · Order 26-003- · USFS · Lolo National Forest
As of · Source: USFS · Lolo National Forest. Agencies don't list every closure — check before you go.
Ann Arbor is a moderate out-and-back hike in the Superior Ranger District of Montana's Lolo National Forest, managed by the Forest Service. The trail runs about 5.3 miles, with a total elevation gain of 2,669 feet, taking you from a low point of 3,645 feet to a high of 6,320 feet. Summer is the most comfortable time to go. Typical averages from a nearby weather station at a similar elevation show July and August highs around 70°F with only about six wet days a month, while winter highs stay near 28°F. The trail is natural-surface and allows horses and bikes. It is not an accessible route. The Forest Service lists it as open year-round. Nearby hikes include Sunset Creek, about 2.7 miles away, and Dry Fork at 3 miles. Diamond Lake and Cliff Lake are each about 3.4 miles off. Sloway Campground is about 5.7 miles away.
Local outfitters
- Granite Peak RV Resort49 mi away
Not on Roamze yet. Their page has how to reach them.
Best time to go · Jul–Sep
Best time to visit Ann Arbor
Best months: July–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
28° / 19°
19 wet
Feb
28° / 19°
17 wet
Mar
34° / 22°
19 wet
Apr
40° / 27°
17 wet
May
50° / 36°
15 wet
Jun
58° / 42°
13 wet
Jul
70° / 52°
6 wet
Aug
69° / 51°
6 wet
Sep
59° / 44°
8 wet
Oct
44° / 32°
13 wet
Nov
32° / 23°
17 wet
Dec
27° / 18°
18 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Mullan Pass Vor/Dme, ID, 31 mi away at 6,028 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Keep exploring — more trails worth the drive
HIKE
Diamond Lake
~6 min drive
0.68-mile out-and-back trail to Diamond Lake in Montana with 11 ft of elevation gain.
HIKE
Lost Lake
~7 min drive
7.93-mile out-and-back trail to Lost Lake in Montana with 1,143 ft elevation gain.
HIKE
Simmons Creek Trail
~13 min drive
6.2-mile out-and-back trail in Idaho with 2,490 ft elevation gain/loss
HIKE
Cliff Lake
~6 min drive
2.19-mile out-and-back trail to Cliff Lake in Montana with 516 ft of elevation gain.
HIKE
Dry Creek
~10 min drive
12.15-mile out-and-back trail in Montana with 639 ft gain.
HIKE
Three Lakes Divide
~16 min drive
Three Lakes Divide is a 1.14-mile out-and-back trail in Idaho with 650 ft of elevation loss.
HIKE
Valach
~9 min drive
0.92-mile out-and-back trail in Montana with 85 ft of elevation gain.
HIKE
Dry Creek Divide
~10 min drive
29.10-mile out-and-back trail in Montana with 4,277 ft elevation gain.
HIKE
Yankee Bar
~17 min drive
4.03-mile out-and-back trail in Idaho with 1,658 ft elevation gain.
HIKE
Moore Lake -- South
~10 min drive
0.20-mile out-and-back trail to Moore Lake in Montana with 50 feet of elevation gain.
