Washington · Bouldering · Ilwaco

The Big One

V3
grade
Bouldering Pads
style
Jul–Aug
best months

Is The Big One open right now?

No closures listed

The National Park Service lists no closures for Lewis and Clark National Historical Park.

As of · Source: NPS · Lewis and Clark National Historical Park. Agencies don't list every closure — check before you go.

This is the hardest route catalogued at Monolith Wall, where seven climbs span from V0 to V3.

  • Nearby · Elephant Ridge · Lewis and Clark Rock · Te Fiti
  • Best time to go · Jul–Aug

    Best time to visit The Big One

    Best months: July–August. 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

      49° / 36°

      23 wet

    2. Feb

      50° / 35°

      19 wet

    3. Mar

      52° / 37°

      23 wet

    4. Apr

      55° / 40°

      20 wet

    5. May

      59° / 45°

      16 wet

    6. Jun

      62° / 49°

      14 wet

    7. Jul

      65° / 52°

      11 wet

    8. Aug

      67° / 52°

      12 wet

    9. Sep

      66° / 48°

      13 wet

    10. Oct

      60° / 42°

      19 wet

    11. Nov

      53° / 38°

      21 wet

    12. Dec

      48° / 36°

      23 wet

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Long Beach Exp Stn, WA, 5.3 mi away at 25 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.