Adventure Collective

Crack 5 at Isles Corridor, Joshua Tree National Park

Twentynine Palms, California United States
hand crack
finger crack
splitter
desert climbing
single-pitch
Joshua Tree
trad gear
pump finish
Length: 50 ft
Type: Trad
Stars
Pitches
1
Location
Crack 5
Aspect
South Facing

Overview

"Crack 5 is a classic splitter crack in Joshua Tree’s Isles Corridor offering straightforward hand jams with a split-top choice—either steady hand jams or a pumpy finger crack finish. It’s a must-try for trad climbers keen on refining crack technique against a stunning desert backdrop."

Crack 5 at Isles Corridor, Joshua Tree National Park

Crack 5 stands out as a compelling, splitter crack climb etched into the rugged landscape of Joshua Tree’s Isles Corridor. This single-pitch trad route stretches 50 feet, delivering a technically satisfying experience that invites climbers to test their hand-jamming precision amidst the park’s iconic granite formations. The climb opens with a clean, consistent crack that rewards solid technique and steady pace. As you ascend, the crack splits near the top, presenting a choice: follow the left for more traditional hand jams that maintain the 5.9 rating, or veer right for a steeper, finger-sized offshoot that ups the challenge to a pumpy 5.10a/b finish. This right fork adds a spirited end to the route that pushes finger strength and requires careful gear placement.

Protection on this route involves well-sized gear—you’ll need an arsenal of hand to wide-hand cams for the main crack. For climbers opting for the finger crack finish, adding a couple of finger-sized cams is essential, as these placements protect the more delicate exit. Nuts can also be handy to back up protection in this section. With nearly a hundred votes reflecting its solid reputation, Crack 5 strikes a balance between straightforward crack climbing and a lively, slightly steeper challenge at the top.

The approach to Isles Corridor is fairly accessible within Joshua Tree National Park, but the route rewards climbers who bring focused crack climbing skills and gear tailored to varying widths. The rock feels firm and mostly clean, demanding precise hand jams and attention to placement. It’s a climb that suits intermediate trad climbers eager to sharpen their technique while soaking in the high desert’s stark beauty. Early morning or late afternoon ascents are ideal, as the wall catches mild sunlight without intense heat, allowing for comfortable climbing conditions most of the year.

Whether you take the left or the more strenuous right fork, Crack 5 delivers an authentic Joshua Tree crack climb. It not only challenges your physical grip but also plunges you into the park’s elemental rock character, surrounded by windswept desert views and that famously clear sky. This route is practical and rewarding, a solid choice for trad climbers looking to combine skills progression with an energizing outdoor adventure.

Climber Safety

Be cautious of loose rock near the fork junction and on the finger crack finish. Place protection meticulously on the smaller gear sections to avoid runouts, particularly if opting for the right fork ascent.

Route Details

TypeTrad
Pitches1
Length50 feet

Local Tips

Start early to avoid the afternoon heat common in Joshua Tree’s desert environment.

Sharpen your hand-jamming skills before attempting the route to move efficiently.

For the exciting finish, carry finger-sized cams and consider nuts for backup protection.

Check for loose rock on the upper fork before committing to the fingers exit.

Route Rating

Difficulty
5.9
Quality
Consensus:While traditionally rated 5.9+, this climbing route feels closer to a solid 5.9 for those confident in their hand-jamming technique. The right fork up the finger crack adds a slightly harder, pumpy finish that’s closer to 5.10a/b, offering a rewarding crux that tests finger strength and endurance without overwhelming complexity.

Gear Requirements

Expect to use lots of hand to wide-hand sized cams. If you plan to finish via the finger crack, bring a couple of finger-sized cams; nuts may also be useful for additional protection on the steeper right fork.

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Tags

hand crack
finger crack
splitter
desert climbing
single-pitch
Joshua Tree
trad gear
pump finish