Complete Human Land Travel Scale (CHLT)



CategoryNotesExamples
0.0-0.9- No-brainier hiking, generally involves trails
- May involve easy cross country
- "avid hiker" (0.1 and up)
- Almost anyone can reach 0.9 with a year of dedicated physical conditioning
- San Diego, Cowles Mountain (0.0)
- San Diego, Iron Mountain (0.0)
- Fremont, Mission Peak (0.1)
- Mt. Baldy, Ski Hut Trail (0.3)
- San Gorgonio, Vivian Creek Trail (0.4)
- Kilimanjaro, regular route (0.5)
- Half Dome, Cables route (0.8)
- Mt. Whitney Trail (0.9)
1.0-1.9- Moderately long trails or easy mountaineering/climbing routes
- May involve simple off-trail navigation
- Ohlone Trail (1.0)
- Cactus to Clouds (1.3)
- Mt. Shasta, Avalanche Gulch (1.4)
- Mt. Whitney, Mountaineer's Route (1.5)
2.0-2.9- Very long trail hikes (150+ miles), or shorter routes which require significant off trail travel- Triplet Rocks [Attain true highpoint] (2.4)
- Half Dome, Snake Dike (2.4)
- Mt. Whitney, East Buttress (2.5)
- John Muir Trail (2.5)
- Most ultra thru-hikes, such as PCT and AT (2.6)
3.0-3.9- Significant off-trail travel required
- Decent knowledge of mountaineering or climbing
- Snow Creek- Mt. San Jacinto (3.0)
- Glacier Divide Traverse (3.4)
- Folly Ridge (3.5)
- NE Ridge of Mt. Williamson (3.6)
4.0-4.9- Significant mountaineering/climbing required- Evolution Traverse (4.3)
- Convoluted Bliss (4.4)
- Full Palisade Traverse (4.7)
- Denali, Cassin Ridge (4.9)
5.0-5.9- "Professional level" mountaineering or climbing- Incredible Hulk, Positive Vibrations (5.0)
- Infinite Spur (5.0)
6.0-6.9- "Game Changer"- High South Grand Traverse (6.1)
- Hummingbird Ridge (6.5)
7.0-7.9- World class mountaineering or climbing- El Capitan, The Nose [Free climb] (7.0)
8.0-8.9- "World class game changer"- Full Waddington Basin Traverse (8.5)
- Fitz Traverse (8.5)
- Dawn Wall [Free climb] (8.5)
9.0-9.9- What many present day world class mountaineers and climbers think is impossible, but may actually be possible in practice- Complete Annapurna Traverse (9.0)
10+- Likely, but not impossibly, beyond physical human capability- Himalayan Crest Traverse (10+)
10++- Actually physically impossible
- Similar to the "class 6" concept in the Yosemite Decimal System
- Mars, Olympus Mons from key col [without a spacesuit] (10++)
- Attempting to climb a 1,000 ft completely smooth overhanging wall of ice without any tools while naked (10++)

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