Washington · Rock climbing · Index

Open Book Boulder

Open Book Boulder in Washington has 6 bouldering routes across 3 grades.

6 routes
V0 – V3
Bouldering

Best time to visit Open Book Boulder

Best months: July–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

    42° / 31°

    20 wet · 4 snow

  2. Feb

    47° / 32°

    17 wet · 2 snow

  3. Mar

    52° / 34°

    19 wet · 2 snow

  4. Apr

    59° / 38°

    18 wet

  5. May

    66° / 44°

    16 wet

  6. Jun

    69° / 48°

    13 wet

  7. Jul

    77° / 52°

    7 wet

  8. Aug

    77° / 52°

    7 wet

  9. Sep

    71° / 48°

    11 wet

  10. Oct

    58° / 41°

    16 wet

  11. Nov

    47° / 36°

    20 wet · 2 snow

  12. Dec

    41° / 32°

    20 wet · 5 snow

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Baring, WA, 5 mi away at 770 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Open Book Boulder is a climbing area in Washington, about 0.2 miles from the town of Index. It sits right next to the Zelda Boulders and Zelda Rails Boulder, both of which are about 0.1 miles away, so the three make an easy cluster for a day of bouldering close to town. Summer is the most comfortable time to visit. Typical averages from the nearby Baring weather station show July and August highs around 77°F with only about seven wet days a month, while winter brings highs in the low 40s and frequent snow days. The Leovy Trail and Crescent Trail are both about 0.4 miles away for a walk. Heybrook Lookout, about 1.5 miles off, offers camping, and Anderson Creek, roughly 2.4 miles away, is a paddling option.

Routes (6)

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Shady Lane WestPhoto: Laurel Fan, CC BY-SA 2.0 (via Flickr)

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