Washington · Rock climbing · Redmond

South Buttress

South Buttress in Washington has 5 sport climbing routes on 3 difficulty grades.

5 routes
5.8 – 5.9
Sport

Best time to visit South Buttress

Best months: May–September. 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

    47° / 37°

    19 wet · 1 snow

  2. Feb

    50° / 37°

    16 wet · 1 snow

  3. Mar

    54° / 39°

    18 wet

  4. Apr

    59° / 43°

    15 wet

  5. May

    65° / 48°

    12 wet

  6. Jun

    70° / 53°

    10 wet

  7. Jul

    76° / 57°

    6 wet

  8. Aug

    77° / 57°

    6 wet

  9. Sep

    71° / 53°

    9 wet

  10. Oct

    61° / 47°

    14 wet

  11. Nov

    52° / 41°

    18 wet

  12. Dec

    46° / 37°

    20 wet · 1 snow

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Seattle Sand Pt Wsfo, WA, 6.9 mi away at 60 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

South Buttress is a climbing area in Marymoor Park, on county land in Washington. It sits among several other climbing areas, including the South Face & S. Dihedral and the North Face, all within about a tenth of a mile. The closest trail is the Bridle Crest Trail, about 0.7 miles away. The climbing here is all sport, with five routes ranging from 5.8 to 5.9+. The Nose, Left of Nose and Right of Nose are the hardest, at 5.9+. Summer is the most comfortable time to climb. Typical averages from a nearby weather station show July and August highs around 76 to 77°F with only about six wet days a month, while winter brings highs in the mid-40s and rain on most days.

Routes (5)

North Face & N. Dihedral(2)

Arete5.8Corner5.9

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