California · Rock climbing · Mammoth Lakes

Unknown 1

Mid-range climb among 16 routes at Horseshoe Slabs.

5.8
grade
Sport Bolted
style

Is Unknown 1 open right now?

Alert in the area

The Forest Service lists 4 alerts for Inyo National Forest.

As of · Source: USFS · Inyo National Forest. Agencies don't list every closure — check before you go.

Best time to visit Unknown 1

Best months: May–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.

  1. Jan

    41° / 17°

  2. Feb

    41° / 18°

  3. Mar

    45° / 22°

  4. Apr

    51° / 27°

  5. May

    60° / 35°

  6. Jun

    70° / 42°

  7. Jul

    78° / 49°

  8. Aug

    77° / 47°

  9. Sep

    71° / 40°

  10. Oct

    61° / 30°

  11. Nov

    49° / 23°

  12. Dec

    41° / 17°

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Mammoth Lakes Rs, CA, 4.4 mi away at 7,804 ft. The station sits about 1,300 ft lower than this place, so expect it a little cooler here. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

One of 16 climbs catalogued at Horseshoe Slabs, this route sits in the middle of the crag's range from 5.4 to 5.10a.

Photo of the crag

Horseshoe Slabs — the crag this route is on
Horseshoe Slabs, California — this photo shows the crag, not this individual route.Photo: inkknife_2000 (14 million views), CC BY-SA 2.0 (via Flickr)

Keep exploring — more climbs worth the drive

Horseshoe Slabs BoulderPhoto: inkknife_2000 (7.5 million views +), CC BY-SA 2.0 (via Wikimedia Commons)

Horseshoe Slabs Boulder

~0 min drive

Horseshoe Slabs Boulder has 8 bouldering routes in California.

Labor WallPhoto: mjhbower, CC BY-SA 2.0 (via Flickr)

Labor Wall

~1 min drive

Labor Wall in California has 5 sport routes on 4 difficulty grades.

Sister BoulderPhoto: inkknife_2000 (14 million views), CC BY-SA 2.0 (via Flickr)

Sister Boulder

~1 min drive

8 bouldering routes at Sister Boulder in California, grades 5.10a to 5.12c.

Mammoth CrestPhoto: mjhbower, CC BY-SA 2.0 (via Flickr)

Mammoth Crest

~1 min drive

Mammoth Crest in California offers 18 climbing routes across 9 difficulty grades with alpine no fixed protection.

T J SlabsPhoto: inkknife_2000 (14 million views), CC BY-SA 2.0 (via Flickr)

T J Slabs

~2 min drive

T J Slabs in California has 6 bouldering routes with 5 difficulty grades.

T J LakePhoto: mjhbower, CC BY-SA 2.0 (via Flickr)

T J Lake

~2 min drive

T J Lake is a California climbing area with 4 routes across 4 grades.

Huggy Bear AreaPhoto: Jane S. Richardson (talk · contribs), CC BY-SA 3.0 (via Wikimedia Commons)

Huggy Bear Area

~4 min drive

Huggy Bear Area is a California climbing crag with 6 routes.

Ugly Duckling AreaPhoto: Jane S. Richardson (talk · contribs), CC BY-SA 3.0 (via Wikimedia Commons)

Ugly Duckling Area

~4 min drive

Ugly Duckling Area in California has 9 bouldering routes across 8 grades.

Seam AreaPhoto: Jane S. Richardson (talk · contribs), CC BY-SA 3.0 (via Wikimedia Commons)

Seam Area

~4 min drive

Seam Area is a California climbing crag with 8 routes.

Spring WallPhoto: inkknife_2000 (14 million views), CC BY-SA 2.0 (via Flickr)

Spring Wall

~1 min drive

13 routes at Spring Wall in California range across 10 difficulty grades.