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Jam Crack

Jam Crack

Jam Crack

Page Type: Route

Location: California, United States, North America

Object Title: Jam Crack

Route Type: Trad Climbing

Time Required: Less than two hours

Rock Difficulty: 5.9 (YDS)

Number of Pitches: 2

Route Quality: 
 - 2 Votes


Page By: ClimbandBike

Created/Edited: Aug 17, 2009 / Aug 17, 2009

Object ID: 542015

Hits: 5157 

Page Score: 74.92%  - 5 Votes 

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Jam Crack is a great intro into Yosemite crack climbing. The first pitch is easy to protect and has solid hand jamming. The second pitch gets progressively thinner with a very fun fingers crux. Expect lines for this climb. Bummer and Lazy Bum, 10c and 10d respectively, can be toproped from the top of the first pitch.

Getting There

Located at Sunnyside Bench. Park for Lower Yosemite Fall and walk on the paved trail to the bridge at the base of the Fall. From there head east for 100 yards until you get near the rock wall. Look for a climbers' trail heading right to the base of the climb.

Route Description

Pitch 1: 5.7, 60 feet. Move up sustained hands to a ledge. Traverse left to a bolt anchor or build an anchor in the crack to the right if occupied. Make sure to set a directional at the ledge for your follower.

Pitch 2: 5.9, 80 feet. Move up from the ledge via a slightly awkward move to gain the crack. The crack narrows from good hands to the fingers crux. Belay from the bolt and chain anchor.

Descent: Two single 60 meter rope rappels get you back to the ground and start of the climb.

Essential Gear

Double set of cams to 1.5", single to 3". Set of nuts.


Jam CrackGabe following...My brother....Jam Crack