Aspen Boulder, The

Mammoth Lakes, California

California

Free — you'll pick up right here.

No verdict for this crag

We won't guess. Here is exactly what we do and don't know.

What we do know

  • Inside Inyo National Forest

    2 managing-area boundaries mapped — agency alerts for them feed this page automatically.

    Boundary data

What's missing

  • No access route mapped

    We don't yet know which road reaches this trailhead, so we can't tell you if it's gated.

Nobody's filed a report here yet — be the first.

At a glance

15 routes
V0 – V7
Bouldering

Routes (15)

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Aspen Boulder, The

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About this crag

Aspen Boulder, The is a climbing area in California with 15 routes, ranging across 11 distinct difficulty grades. The area features bouldering pads.

Facts about this crag

Where it is

Managed by
Forest Service

Source: USFS EDW boundaries; USGS PAD-US 4.1

Conditions

Active alerts for Mammoth Ranger District as of Oct 9, 2026:

Source: USFS forest alerts

Nearby

Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)

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Keep exploring — more climbs worth the drive

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

Sister Boulder

~7 min drive

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

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

T J Slabs

~7 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

~7 min drive

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

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

Horseshoe Slabs Boulder

~7 min drive

Horseshoe Slabs Boulder has 8 bouldering routes in California.

Sector FPhoto: Ken Lund, CC BY-SA 2.0 (via Flickr)

Sector F

~3 min drive

Sector F is a California bouldering crag with 8 routes.

Sector APhoto: Ken Lund, CC BY-SA 2.0 (via Flickr)

Sector A

~3 min drive

Sector A is a California bouldering crag with 18 routes across 6 grades.

Sector CPhoto: Ken Lund, CC BY-SA 2.0 (via Flickr)

Sector C

~4 min drive

Sector C is a 5-route bouldering area in California with routes spanning 5 difficulty grades.

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

Spring Wall

~7 min drive

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

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

Horseshoe Slabs

~7 min drive

16-route climbing area in California with mixed, sport, and trad styles.

Mammoth Lakes Area

~0 min drive

Mammoth Lakes Area in California has 21 climbing routes across 14 difficulty grades.