Washington · Rock climbing · Cashmere

Humpback Whale

Mid-range climb among 10 routes at Upper Martian Slab.

5.8
grade
Sport Bolted
style

Best time to visit Humpback Whale

Best months: April–June and September–October. 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

    34° / 19°

    14 wet

  2. Feb

    42° / 21°

    10 wet

  3. Mar

    52° / 26°

    9 wet

  4. Apr

    61° / 32°

    7 wet

  5. May

    71° / 40°

    7 wet

  6. Jun

    77° / 46°

    5 wet

  7. Jul

    87° / 51°

    3 wet

  8. Aug

    87° / 50°

    3 wet

  9. Sep

    78° / 42°

    4 wet

  10. Oct

    62° / 33°

    9 wet

  11. Nov

    44° / 26°

    13 wet

  12. Dec

    34° / 20°

    14 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Leavenworth 3 S, WA, 7.3 mi away at 1,128 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

One of 10 routes catalogued at Upper Martian Slab, this climb sits in the middle of the crag's range, which spans from 5.6 to 5.11a.

Photo of the crag

Upper Martian Slab — the crag this route is on
Upper Martian Slab, Washington — this photo shows the crag, not this individual route.Photo: brewbooks, CC BY-SA 2.0 (via Flickr)

Keep exploring — more climbs worth the drive

Local businesses nearby

Outfitters and businesses near Cashmere. They haven’t set up their Roamze page yet.

Crescent Bar Recreation Area

Rock Climbing business nearby (~33 mi away) — hasn't claimed their Roamze page yet

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