California · Bouldering · Desert Hot Springs

The 4th Amendment

Entry-level boulder problem at Big Brother Boulder.

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Bouldering Pads
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Is The 4th Amendment open right now?

Alert in the area

The National Park Service lists 3 alerts for Joshua Tree National Park.

  • Partial Trail Closure of West Side Loop

    Park alert covering Joshua Tree National Park · NPS · Joshua Tree National Park

  • Inaccurate Third-Party Apps

    Park alert covering Joshua Tree National Park · NPS · Joshua Tree National Park

  • Oasis of Mara Trail Partial Closure

    Park alert covering Joshua Tree National Park · NPS · Joshua Tree National Park

As of · Source: NPS · Joshua Tree National Park. Agencies don't list every closure — check before you go.

Best time to visit The 4th Amendment

Best months: October–May. 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

    58° / 38°

    4 wet

  2. Feb

    61° / 39°

    3 wet

  3. Mar

    67° / 40°

    3 wet

  4. Apr

    73° / 46°

    2 wet

  5. May

    82° / 52°

    1 wet

  6. Jun

    91° / 59°

    0 wet

  7. Jul

    96° / 66°

    2 wet

  8. Aug

    96° / 68°

    2 wet

  9. Sep

    89° / 60°

    2 wet

  10. Oct

    80° / 50°

    1 wet

  11. Nov

    66° / 41°

    2 wet

  12. Dec

    58° / 34°

    4 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Yucca Valley, CA, 16.4 mi away at 3,249 ft. The station sits about 1,100 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 five routes catalogued at Big Brother Boulder, this climb represents the entry point to the crag's bouldering offerings.

Photo of the crag

Big Brother Boulder — the crag this route is on
Big Brother Boulder, California — this photo shows the crag, not this individual route.Photo: Jarek Tuszyński, CC BY-SA 3.0 (via Wikimedia Commons)

Keep exploring — more climbs worth the drive

West Wall Inner (Jane's Addiction Area)Photo: Jarek Tuszyński, CC BY-SA 3.0 (via Wikimedia Commons)

West Wall Inner (Jane's Addiction Area)

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West Wall Inner (Jane's Addiction Area) in California has 13 climbing routes across 10 grades, offering sport and trad options.

East Wall, North End (Diamond Dogs Area)Photo: The Wandering God, CC BY-SA 2.0 (via Flickr)

East Wall, North End (Diamond Dogs Area)

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East Wall, North End (Diamond Dogs Area) in California has 13 climbing routes across 8 grades.

East Wall Inner (Exorcist Area)Photo: leighklotz, CC BY 2.0 (via Flickr)

East Wall Inner (Exorcist Area)

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East Wall Inner (Exorcist Area) in California has 30 climbing routes across 16 difficulty grades.

East Wall Outer (Creature Feature Area)Photo: Bryan Pocius, CC BY 2.0 (via Flickr)

East Wall Outer (Creature Feature Area)

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East Wall Outer (Creature Feature Area) in California has 13 climbing routes across 11 grades.

West Wall Outer (Buckets to Burbank Area)Photo: Joshua Tree National Park, Public domain (via Wikimedia Commons)

West Wall Outer (Buckets to Burbank Area)

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7-route climbing area in California with sport and trad options.

Hall of Horrors AreaPhoto: lamblukas, CC BY 2.0 (via Flickr)

Hall of Horrors Area

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Hall of Horrors Area in California has 17 climbing routes with bouldering pads and trad.

East Wall South End (Chesire for President Area)Photo: daveynin, CC BY 2.0 (via Flickr)

East Wall South End (Chesire for President Area)

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East Wall South End (Chesire for President Area) in California has 5 trad routes on 4 difficulty grades.

North Horror RockPhoto: daveynin, CC BY 2.0 (via Flickr)

North Horror Rock

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North Horror Rock is a 4-route climbing crag in California with sport and trad options on 3 difficulty grades.

North Horror Rock - South & East FacesPhoto: Jarek Tuszyński, CC BY-SA 3.0 (via Wikimedia Commons)

North Horror Rock - South & East Faces

~0 min drive

6 routes at North Horror Rock - South & East Faces in California range across 3 grades and offer sport and trad climbing.

South Horror RockPhoto: lamblukas, CC BY 2.0 (via Flickr)

South Horror Rock

~0 min drive

South Horror Rock in California has 14 climbing routes with 10 difficulty grades, offering sport and trad options.