Arizona · Rock climbing · Phoenix

Alligator Jaw Boulder

7 routes
V0- – V7
Bouldering
Nov–Apr
best months

Alligator Jaw Boulder is a bouldering area in Phoenix South Mountain Park, on city land in Phoenix, Arizona. It sits among a cluster of other boulders and climbing spots, with The Siblings Boulder, The Arena Area Foo and Big Poppa all about 0.1 mile away. The boulders here range from easy to challenging. Seven routes are listed, all bouldering, with grades from V0- up to V7. Echo Chamber is the easiest at V0-, and Tick-Tock the Croc is the hardest at V7. Peter Pan is a V2, and Plover Bird is a V4. Winter and early spring are the most comfortable times to visit. Typical averages from a nearby weather station in South Phoenix show January highs around 67°F and lows near 42°F, while summer highs climb into the 100s. The Guadalupe Perimeter Trail is about 0.2 mile away, and the Desert Classic Trail is about 0.6 mile away for mountain biking.

  • Best time to go · Nov–Apr

    Best time to visit Alligator Jaw Boulder

    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° / 42°

      4 wet

    2. Feb

      71° / 44°

      4 wet

    3. Mar

      78° / 48°

      4 wet

    4. Apr

      85° / 54°

      2 wet

    5. May

      93° / 61°

      1 wet

    6. Jun

      101° / 69°

      1 wet

    7. Jul

      103° / 77°

      2 wet

    8. Aug

      101° / 78°

      3 wet

    9. Sep

      97° / 71°

      3 wet

    10. Oct

      87° / 59°

      2 wet

    11. Nov

      74° / 48°

      2 wet

    12. Dec

      65° / 41°

      3 wet

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at South Phoenix, AZ, 4.4 mi away at 1,155 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Routes (7)