Arizona · Rock climbing · Tucson

South Cluster

8 routes
V0 – V6
Bouldering
Nov–Apr
best months

South Cluster is a bouldering area in Arizona, about 1.6 miles from the town of Rillito. It sits among a cluster of other climbing spots, including Silverbell Boulders, El Hueco Sucio and Lower Boulders, all within about a tenth of a mile. The area is known for its bouldering, with eight routes spread across the cluster, and the grades run from V0 to V6. Spring and fall are the most comfortable times to visit. Typical averages from a nearby weather station show March highs around 77°F and October highs around 88°F, while June and July average in the low 100s. The routes here are all bouldering, and the grade range covers V0 to V6. Easy Orange and Welcome to Silverbell are both V0, and Ball Cupper is the hardest at V6.

  • Best time to go · Nov–Apr

    Best time to visit South Cluster

    Best months: November–April. 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

      67° / 37°

    2. Feb

      70° / 39°

    3. Mar

      77° / 44°

    4. Apr

      84° / 50°

    5. May

      92° / 59°

    6. Jun

      102° / 68°

    7. Jul

      101° / 74°

    8. Aug

      100° / 71°

    9. Sep

      96° / 67°

    10. Oct

      88° / 56°

    11. Nov

      76° / 44°

    12. Dec

      67° / 37°

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Tohono Chul, AZ, 10.3 mi away at 2,527 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Routes (8)

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Silverbell Boulders - Closed to allPhoto: «Gaurav», CC BY-SA 2.0 (via Flickr)

Silverbell Boulders - Closed to all

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Lower BouldersPhoto: «Gaurav», CC BY-SA 2.0 (via Flickr)

Lower Boulders

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Javelina Cave and the A FramePhoto: «Gaurav», CC BY-SA 2.0 (via Flickr)

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Linda Vista WallPhoto: kalestews, CC BY 2.0 (via Flickr)

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The "Gimme Some" DomePhoto: «Gaurav», CC BY-SA 2.0 (via Flickr)

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Gate's PassPhoto: Daniel Ramirez from Honolulu, USA, CC BY 2.0 (via Wikimedia Commons)

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OcbPhoto: Miguel Vieira, CC BY 2.0 (via Wikimedia Commons)

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Finger Rock CanyonPhoto: Miguel Vieira, CC BY 2.0 (via Wikimedia Commons)

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Mount Lemmon (Santa Catalina Mountains)Photo: Outdoor Craziness, CC BY-SA 3.0 (via Wikimedia Commons)

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