Boise Riverside RV Park
Campground
Campground · 3.5 mi from the trail
Idaho · Mountain biking · Near Idaho City
#57A Harrison Hollow Loop
- 0.3 mi
- round trip
- 45 ft
- climb
- Gravel Road
- surface
- Out and back
- route
- Apr–Jun, Sep–Oct
- best months
Harrison Hollow Loop #57A is a short, easy mountain biking route in Idaho, about 0.7 miles from the town of Highlands. It's an out-and-back loop with a total length of about half a mile and a total elevation gain of about 45 feet, with the route's highest point at roughly 2,820 feet. The trail is flat, with the steepest stretch at about 0.2 miles in, and the low point of the loop sits at around 2,775 feet. The most comfortable months for a ride are typically May and September. Typical averages from the nearby Boise Air Terminal weather station show May highs around 72°F and September highs near 80°F, while July and August average in the low 90s. Dogs are allowed on this route as long as they are leashed. The Who Now Loop #51 mountain biking route is about 0.1 mile away, and the #57 Harrison Hollow (AWT) mountain bike route and the #58 Harrison Ridge hike are each about 0.2 mile away. Rocky Canyon, a climbing area, is about 3.9 miles off.
Around this trail
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If it rainsCamEQ, Facade of Art Museum designed by Trout Architects and Mark Mack in 1988, Public domain · Wikimedia Commons
Places © OpenStreetMap contributors · Photos: CamEQ, Facade of Art Museum designed by Trout Architects and Mark Mack in 1988, Public domain (commons)
More in Idaho CityLocal outfitters
- Riverpond Campground34 mi away
Not on Roamze yet. Their page has how to reach them.
Best time to go · Apr–Jun, Sep–Oct
Best time to visit #57A Harrison Hollow Loop
Best months: April–June and September–October. 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
39° / 26°
11 wet · 5 snow
Feb
46° / 29°
9 wet · 3 snow
Mar
55° / 35°
10 wet · 2 snow
Apr
62° / 40°
9 wet
May
72° / 48°
8 wet
Jun
81° / 54°
5 wet
Jul
93° / 62°
3 wet
Aug
91° / 61°
2 wet
Sep
80° / 53°
4 wet
Oct
65° / 42°
6 wet
Nov
49° / 32°
10 wet · 2 snow
Dec
39° / 25°
12 wet · 5 snow
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Boise Air Terminal, ID, 5.8 mi away at 2,814 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Keep exploring — more rides worth the drive
RIDE
#57A Harrison Hollow Loop
Next door
0.11-mile easy gravel road out-and-back in Idaho with 10 ft gain.
RIDE
Who Now Loop #51
Next door
0.39-mile hard out-and-back singletrack in Idaho with 211 ft elevation gain.
RIDE
#57 Harrison Hollow (AWT)
Next door
0.78-mile out-and-back singletrack with 208 ft gain in Idaho.
RIDE
#54 Robert Smylie
~1 min drive
0.82-mile trail in Full Sail, Idaho, gaining 236 ft of elevation.
RIDE
#57A Harrison Hollow Loop
Next door
#57A Harrison Hollow Loop is a 0.25-mile easy gravel road out-and-back in Idaho with 69 ft of elevation gain.
RIDE
Who Now Loop #51
Next door
0.58-mile hard singletrack out-and-back in Idaho with 273 ft gain.
RIDE
#57 Harrison Hollow (AWT)
Next door
0.10-mile moderate singletrack out-and-back in Idaho with 54 ft elevation gain.
RIDE
#53 Buena Vista
~1 min drive
#53 Buena Vista is a 1.69-mile sand trail in Full Sail, Idaho with 973 ft of elevation gain.
RIDE
Who Now Loop #51
Next door
0.19-mile out-and-back singletrack in Idaho with 163 ft elevation gain.
RIDE
Who Now Loop #51
Next door
0.12-mile out-and-back singletrack in Idaho, 20 ft elevation gain, rated difficult / black diamond
Also worth it near here
Map and trail data © OpenStreetMap contributors
