Upper Martian Slab
Upper Martian Slab in Washington has 10 routes across 6 grades, offering sport and trad climbing.
Photo: brewbooks, CC BY-SA 2.0 (via Flickr)- 10 routes
- 5.6 – 5.11a
- Sport · Trad
Best time to visit Upper Martian Slab
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.
Jan
34° / 19°
14 wet
Feb
42° / 21°
10 wet
Mar
52° / 26°
9 wet
Apr
61° / 32°
7 wet
May
71° / 40°
7 wet
Jun
77° / 46°
5 wet
Jul
87° / 51°
3 wet
Aug
87° / 50°
3 wet
Sep
78° / 42°
4 wet
Oct
62° / 33°
9 wet
Nov
44° / 26°
13 wet
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.
Upper Martian Slab is a rock climbing area in Washington's Peshastin Pinnacles state park, managed by State Park and Recreation. It sits among several other named slabs, with Sunset Slab and Austrian Slab both about 0.1 mile away, and Orchard Rock just as close. The area is a compact cluster of sport and traditional routes, with grades ranging from 5.6 to 5.11a. The most comfortable climbing months tend to be late spring and early fall. Typical averages from a nearby weather station in Leavenworth show May highs around 71°F and September highs near 78°F, while July and August average about 87°F. Among the 10 routes here, Martian Diagonal is a traditional 5.6, and Sperm Whale is a traditional 5.11a. Tortoise is a sport route at 5.8.
Routes (10)
Keep exploring — more climbs worth the drive
Photo: brewbooks, CC BY-SA 2.0 (via Flickr)Dinosaur Tower
~0 min drive
Dinosaur Tower in Washington has 6 climbing routes ranging from easy to hard, with sport and trad options.
Photo: brewbooks, CC BY-SA 2.0 (via Flickr)Grand Central Tower
~0 min drive
Grand Central Tower in Washington has 7 climbing routes across 5 grades.
Photo: ben.hollis, CC BY 2.0 (via Flickr)Moonraker
~14 min drive
Moonraker is a climbing area in Washington with 5 routes.
Photo: ben.hollis, CC BY 2.0 (via Flickr)Mountaineer's Dome and Contractor's Areas
~14 min drive
Mountaineer's Dome and Contractor's Areas in Washington has 8 climbing routes with mixed protection.
Photo: ben.hollis, CC BY 2.0 (via Flickr)From Russia With Love
~14 min drive
From Russia With Love is a bouldering area in Washington with 6 routes.
Photo: Buidhe, CC BY-SA 4.0 (via Wikimedia Commons)Careno Crag
~15 min drive
Careno Crag in Washington has 29 climbing routes with 14 difficulty grades, offering mixed, sport, and trad styles.
Mountain Home Road boulders
~11 min drive
11 bouldering routes at Mountain Home Road boulders in Washington.
Star Wars boulders
~12 min drive
Star Wars boulders in Washington has 9 bouldering routes across 5 grades.
The Pasture
~12 min drive
Pasture is a Washington climbing crag with 14 routes and 12 difficulty grades.
The South Seas
~12 min drive
South Seas, Washington climbing area with 9 routes.
