Mark Porter Thomas
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Mountaineering
Mountaineering
Trip Reports
Alaska
• Denali (W Buttress)
• Ruth Gorge (2006)
California
• {California Rock Climbs}
• Cardinal Pinnacle
• Pine Creek
• [Yosemite Valley]
• Central Pillar of Frenzy
• Chockstone Chimney
• DEER Route
• Half Dome (Regular NW Face)
• Higher Cathedral Rock (NE Buttress)
• The Iota Chimney
• Lost Arrow Spire (Tip)
• Middle Cathedral Rock (East Buttress)
• The RORP
• Washington Column (S Face)
• Yosemite Point Buttress (Direct)
• [Tuolumne Meadows]
• Eichorn Pinnacle (West Pillar)
• Eichorn Pinnacle (West Pillar, Direct)
• Matthes Crest (Traverse)
• Matthes Crest (Traverse, Full)
• Third Pillar of Dana (RR)
• "Alpine (Technical)"
"Palisade Tangent Traverse"
• Norman Clyde Pk (Firebird Ridge)
• Norman Clyde Pk (Twilight Pillar)
• Palisade Crest (N-S Traverse)
• Mt Agassiz (Rolling Stones)
• Bear Creek Spire (E Ridge)
• Mt Carl Heller (E Ridge) (Winter)
• Charlotte Dome (S Face)
• Clyde Minaret (Direct SE Face)
• Mt Conness (N Ridge)
• Mt Conness (SW Face)
• Mt Conness (W Ridge)
• Mt Goode (N Buttress)
• Mt Humphreys (E Ridge) (Winter)
• Isosceles Pk (W Face)
• Lone Pine Peak (Complete North Ridge)
• Matterhorn Pk (N Arete)
• Merriam Pk (N Buttress)
• Norman Clyde Pk (Firebird Ridge)
• Norman Clyde Pk (Twilight Pillar)
• North Palisade (U Notch W)
• North Peak (North Couloir)
• Palisade Crest (N-S Traverse)
• Polemonium (U-Notch W)
• Ruby Wall (Don't Take Your Love to Town)
• Ruby Wall (E Arete)
• Ruby Wall (E Arete)(Left)
• Mt Russell (Fishhook Arete)
• Mt Russell (Mithral Dihedral)
• Mt Sill (Swiss Arete & N Couloir)
• Temple Crag (Dark Star)
• Temple Crag (Moon Goddess Arete)
• Temple Crag (Sun Ribbon Arete)
• Temple Crag (Venusian Blind Arete)
• Thunderbolt Pk (N Couloir)
• Thunderbolt Pk (NW Ridge)
• Mt Whitney (E Buttress)
• Mt Whitney (E Face)
• "Alpine (Non-Technical)"
"Sierra Challenge"
• "Sierra Challenge (2004)"
Day 1: North Peak & Mt Conness
Day 2: Mt Lyell & Mt Maclure
Day 4: Basin Mtn - Four Gables Traverse
Day 5: Mt Haeckel & Mt Wallace
Day 6: Mt Winchell
Day 7: Palisade Crest & Mt Jepson
• "Sierra Challenge (2005)"
Day 1: Mt Hilgard (S Face) & Pipsqueak Spire (Cox Col & Hourglass Couloir)
Day 2: Merriam Peak (E Face & N Ridge)
Day 3: Mt Emerson (SE Couloir & SW Slopes)
Day 4: Mt Lamarck (SE Ridge)
Day 5: Clyde Spires (S Ridge)
Day 6: Isosceles (SE Ridge), Chocolate Pk (SE Ridge & NW Ridge)
Day 7: Temple Crag (Contact Crack)
Day 8: Balcony Pk (East Ridge)
Day 9: Kearsarge Pinnacles
Day 10: Junction Peak (SW Ridge & SE Couloir)
• "Sierra Challenge (2006)"
Day 1: Vogelsang Pk (E Face, E Ridge), Mt Florence (W Ridge), Simmons Pk (S Ridge)
Day 3: Pt Powell (NE Couloir), Pt Wesley (E Ridge)
• "Sierra Challenge (2010&11)"
Day 9: Mt Colosseum & Mt Cedric Wright
Day 10: Mt Morgenson, Mt Tunnabora & The Cleaver
Day 9: The Thumb & Ed Lane Pk
• Balcony Pk (E Ridge)
• Banner Pk (SW Slope)
• Basin Mtn (E Couloir)
• Mt Cedric Wright (N Ridge & NE Face)
• Chocolate Pk (SE Ridge, NW Ridge)
• The Cleaver (N Ridge & NE Face)
• Clyde Spires (S Ridge)
• Mt Colosseum (N Ridge & W Slopes)
• Corcoran (Traverse from LeConte)
• Ed Lane Pk (N Ridge)
• Mt Emerson (SE Couloir, SW Slopes)
• Mt Florence (W & E Ridges)
• Four Gables (S Ridge, E Ridge)
• Mt Haeckel (E Ridge, S Ridge)
• Mt Hilgard (S Face)
• Mt Humphreys (SW Couloir & NW Ridge)
• Isosceles Pk (SE Ridge)
• Mt Jepson (S Face via Scimitar Pass)
• Junction Pk (SW Ridge & SE Couloir)
• Kearsarge Pinnacles
• Mt Lamarck (SE Ridge)
• Laurel Mtn (NE Gully & E Ridge)
• LeConte (NW Chute)
• Mt Lyell (Glacier Route & W Ridge)
• Mt Maclure (SE Ridge)
• Merriam Pk (E Face, N Ridge)
• Mt Morgenson (N Face)
• Mt Muir (Whitney Trail)
• North Peak (NW Ridge)
• Palisade Crest (Gandalf Pk, N Ridge)
• Pipsqueak Spire (Cox Cool & Hourglass Couloir)
• Pt Powell (NE Couloir) & Pt Wesley
• Mt Ritter (N Face & SE Glacier)
• Round Top (Crescent Moon Couloir & W Ridge)
• Ruby Peak (E Ridge)
• Ruby Peak (N Ridge)
• Mt Shasta (Green Butte Ridge)
• Mt Shasta (Sargents Ridge)
• Simmons Pk (S Ridge)
• South Basin Pk (NE Ridge)
• Temple Crag (Contact Crack)
• The Thumb (S Face)
• Thunderbolt Pk (SW Chute #1)
• Mt Tunnabora (S Slopes)
• Mt Vogelsang (E Face, E Ridge)
• Mt Wallace (N Ridge, SE Slope)
• Mt Whitney (Mtneer's Rte & Trail)
• Mt Winchell (E Arete)
• "Misc"
• Playing Hooky from Work: A Solo Ascent of Geochronology Wall
• Urban Aid Climbing
• FA of Effervescent Glory
Canada
• "Cycling and Scrambling from Calgary to Vancouver"
Part I - Calgary through the Canadian Rockies
Part II - Lake Louise & Lake O'Hara Areas
Part III - Mishaps in the Middle Ranges
Part IV - British Columbia's Desert?!
Part V - Crossing the Coastal Range to Vancouver
Epilogue
• [British Columbia Interior ]
• Gimli Pk (S Ridge)
• [The Bugaboos]
• Bugaboo Spire (NE Ridge)
• Crescent Tower (Lion's Way)
• Pigeon Spire (W Ridge)
• South Howser Tower (Beckey-Chouinard)
• [Rocky Mtns Area]
• Mt Cory (S Ridge)
• Mt Edith (RR)
• Eiffel Pk (RR)
• Mt Fairview (SE Slopes)
• Mt St Piran (S Slope, W Slope)
• Mt Temple (SW Ridge)
• Walter Feuz Pk (SE Ridge)
• [Coastal Range Area]
• Flute Pk (Musical Bumps Traverse)
• Piccolo Pk (Musical Bumps Traverse)
• Whistler Mtn (Tram)
Colorado
• "Colorado Rock Climbs"
• Capitol Pk (NE Ridge) (Attempt)
• Mt Elbert (NE Ridge)
• Handies Pk (S Ridge-Grouse Gulch)
• Wilson Pk (NW Ridge)(Attempt)
Idaho
• Borah Pk (Chicken-Out Ridge)
Nevada
• Boundary Pk (NW Ridge & N Ridge)
New York
• "Gunks Climbing"
Oregon
• Monkey Face (Pioneer Rte.)
• North Sister (SW Ridge)
Utah
• "Desert Rock Climbs"
[Indian Creek]
• Ancient Art (Lost Chimney)
• Castleton Tower (Kor-Ingalls)
• Devil's Golf Ball (Happy Turk)
• Dark Angel (W Face)
• Lizard Rock (Entrance Fee)
• Three Penguins (Right Chimney)
• Washer Woman (In Search of Suds)
• "Wasatch Rock Climbs"
• Mt Timpanogos (Everest Ridge Attempt) (Winter)
• Mt Timpanogos (Everest Ridge) (Winter)
• Storm Mtn (W Ridge)
• Box Elder Pk (NE Ridge)
• Mt Nebo (Cedar Ridge Attempt) (Winter)
Washington
• Mt Rainier (Curtis Ridge) (Attempt)
• Mt Rainier (DC Route)
• Mt Rainier (Liberty Ridge)
• Mt Rainier (Ptarmigan Ridge)
• "Early Washington Trips"
Wyoming
• "Teton Grand Slam"
Day 1: Garnet Canyon Approach and the North Ridge of Middle Teton (II, 5.6)
Day 2: Complete Exum Ridge of the Grand Teton (III, 5.7)
Day 3: The Valhalla Traverse (II, cl. 3-4)
Day 4: Serendipity Arete of Mt Owen (IV, 5.9)
Day 5: Owen-Grandstand Traverse (II, 5.7)
Day 6: North Ridge of the Grand Teton (Italian Cracks Variation)(IV, 5.7)
Day 7: Black Dike Traverse (II, cl. 3-4, moderate snow) and the Southwest Couloir of Mt Teewinot (II, cl. 4)
Day 8: Mt Teewinot via the Southwest Couloir (II, cl. 4) and East Face Descent (II, cl. 4)
Day 9: Southwest Ridge of Symmetry Spire (II, 5.7)
• "Devils Tower Climbs"
• [Cirque of the Towers]
• Pingora (NE Face)
• Pingora (S Butt, var. K-Cracks, R)
• Warbonnet (NE Face, L)
• Wolf's Head (E Ridge)
• [The Tetons]
• Disappointment Peak (Irene's Arete)
• Grand Teton (Exum Ridge - Complete)
• Grand Teton (Exum Ridge - Upper)
• Grand Teton (N Ridge)(Italian Cracks)
• Middle Teton (N Ridge)
• Mt Owen (Serendipity Arete)
• Symmetry Spire (SW Ridge)
• Mt Teewinot (SW Couloir)
• Mt Teewinot (E Face)
• Gannett Peak (Pole Creek)
• "Early Wyoming Trips"
Articles
• Size Matters: A Gear Comparison
• Glaciers
• Dry Tooling & Mixed Climbing
• Mt Shasta Slope Hazard Map
Lists
• 50 Classic Climbs of North America (Roper & Steck)
• North American Classic Climbs
• Fred Beckeys 100 Favorite NA Climbs
• California Classics
• High Sierra Climbing (SuperTopo)
• The Good, the Great, and the Awesome (Peter Croft)
• SPS (Select)
• 100 Best Climbs in the High Sierra (Moynier & Fiddler)
• Classic Climbs of the High Sierra
• Aid & Big Walls (Select)
• Wide Climbs
• State High Points (Western)
• 14ers (North American)
Ice Climbing
• Cascade Volcanoes (Jeff Smoot)
• Utah 11ers (Wasatch)
My Favorite Climbs
Instructional
Winter Mountaineering Clinic
Climbing Goals
CO 14ers
Devils Thumb Planning
Waddington Planning
Misc
Home
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Trip Reports
Portfolios
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Half Dome Map Project
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Recent site activity
• State High Points (Western)
edited by Mark Thomas
• SPS (Select)
edited by Mark Thomas
• 100 Best Climbs in the High Sierra (Moynier & Fiddler)
edited by Mark Thomas
• North American Classic Climbs
edited by Mark Thomas
• 50 Classic Climbs of North America (Roper & Steck)
edited by Mark Thomas
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Washington
Washington reports.