Twenty Mile
- 0.7 mi
- round trip
- 121 ft
- climb
- 5,689 ft
- high point
- Out and back
- route
- Jun–Aug
- best months
Is Twenty Mile open right now?
Alert in the area
The Forest Service lists 5 alerts for Payette National Forest.
Over Snow Vehicle Closure
Agency alert covering Payette National Forest · Order 0412-638 · USFS · Payette National Forest
Brundage Mountain Resort Snowcat Route Closure
Agency alert covering Payette National Forest · Order 0412-637 · USFS · Payette National Forest
Lost Valley Log Hauling
Agency alert covering Payette National Forest · USFS · Payette National Forest
Granite Mountain Over Snow Vehicle Closure
Agency alert covering Payette National Forest · Order 0412-635 · USFS · Payette National Forest
Gordon Titus Upper Elevation Parking Lot Winter Restrictions
Agency alert covering Payette National Forest · Order 0412-543 · USFS · Payette National Forest
As of · Source: USFS · Payette National Forest. Agencies don't list every closure — check before you go.
Twenty Mile is a short, easy hike in the McCall Ranger District of Idaho's Payette National Forest, about 0.66 miles long with a one-way climb of 121 feet. The trail is managed by the Forest Service and sits at an elevation of about 5,559 to 5,689 feet. The route is an out-and-back on natural surface, and it works for hikers, horses and bikes. It is not an accessible trail. Summer is the most comfortable time to go. Typical averages from the nearby Warren weather station show July and August highs around 79°F with lows in the mid-30s, while winter highs stay in the mid-30s and lows drop to about 7°F. Twentymile Trail (#085) starts about 0.4 miles away, and Upper Payette Lake Group Campground is about 0.5 miles off. Upper Payette Lake Campground and the Upper Payette Lake Connector are both within about a mile and a half.
Local outfitters
- Black Bear RV Park18 mi away
- Arrowhead RV Park44 mi away
Not on Roamze yet. Their page has how to reach them.
Best time to go · Jun–Aug
Best time to visit Twenty Mile
Best months: June–August. 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
35° / 7°
Feb
41° / 7°
Mar
46° / 17°
Apr
50° / 20°
May
59° / 27°
Jun
68° / 34°
Jul
79° / 37°
Aug
79° / 35°
Sep
69° / 30°
Oct
56° / 23°
Nov
41° / 16°
Dec
34° / 9°
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Warren, ID, 18.5 mi away at 5,907 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Keep exploring — more trails worth the drive
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