Down Under Corridor Area
6 bouldering routes in Idaho spanning 5 difficulty grades.
- 6 routes
- V1-2 – V7
- Bouldering
Best time to visit Down Under Corridor Area
Best months: March–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
40° / 22°
8 wet
Feb
46° / 25°
7 wet
Mar
56° / 32°
7 wet
Apr
63° / 36°
8 wet
May
73° / 45°
8 wet
Jun
81° / 52°
5 wet
Jul
92° / 58°
2 wet
Aug
91° / 56°
3 wet
Sep
80° / 47°
3 wet
Oct
67° / 37°
5 wet
Nov
51° / 28°
7 wet
Dec
40° / 23°
9 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Twin Falls-Kmvt, ID, 3.6 mi away at 3,670 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
The Down Under Corridor Area is a climbing area in southern Idaho, about 4 miles from the town of McMillan. It sits among a cluster of named climbing spots, with several other areas within a short distance. The most comfortable months for a visit are typically late spring and early fall. Typical averages from a nearby weather station in Twin Falls show May highs around 73°F and September highs around 80°F, while July and August average in the low 90s. Several climbing areas lie right next to this one, including the Greenroom Area, Kid Boulder Area and Little Italy, all about 0.1 mile away. For a walk, the Canyon Rim Trail is roughly 0.7 mile off.
Keep exploring — more climbs worth the drive
Photo: waterarchives, CC BY-SA 2.0 (via Flickr)Greenroom Area
~0 min drive
Greenroom Area in Idaho has 7 climbing routes across 4 grades.
Photo: waterarchives, CC BY-SA 2.0 (via Flickr)Little Italy
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Little Italy in Idaho has 5 climbing routes across 4 grades.
Photo: waterarchives, CC BY-SA 2.0 (via Flickr)Stairs Left/North
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Stairs Left/North is a climbing crag in Idaho with 22 routes.
Photo: Ken Lund, CC BY-SA 2.0 (via Flickr)North Shore
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North Shore in Idaho has 16 climbing routes across 10 grades.
Photo: Doug Orleans, CC BY-SA 2.0 (via Flickr)Roman Wall
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Roman Wall in Idaho has 10 sport climbing routes across 7 difficulty grades.
Photo: Doug Orleans, CC BY-SA 2.0 (via Flickr)Gawker Wall
~1 min drive
Gawker Wall in Idaho has 12 sport climbing routes across 7 difficulty grades.
Photo: RuggyBearLA, CC BY 2.0 (via Flickr)Bridgeview
~6 min drive
Bridgeview in Idaho has 7 climbing routes across 6 grades, offering sport and trad options.
Photo: Seth Tisue, CC BY-SA 2.0 (via Flickr)Chamber of Secrets - CLOSED TO CLIMBING!!
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Photo: Seth Tisue, CC BY-SA 2.0 (via Flickr)Castle Rocks
~1h 23m drive
Castle Rocks in Idaho has 3 climbing routes spanning 2 difficulty grades.
Photo: Seth Tisue, CC BY-SA 2.0 (via Flickr)Bracksiek's Pillar
~1h 23m drive
Bracksiek's Pillar in Idaho has 14 climbing routes across 10 difficulty grades, offering mixed, sport, and trad styles.
