Sep 03 2025
Mammoth Mountain Mammoth Mountain is one of the best-known peaks of California’s Eastern Sierra, but it is very different geologically from many of the granite summits surrounding it. Rather than being primarily an uplifted granitic peak, Mammoth Mountain is a volcanic lava-dome complex built by repeated eruptions along the southwestern edge of the Long Valley …
Jul 16 2025
Mount Kaweah 🏔️ Overview Mount Kaweah is a remote high summit in California’s southern Sierra Nevada, rising deep within Sequoia National Park and the Sequoia-Kings Canyon Wilderness. It forms the southern end of the rugged Kaweah Peaks Ridge, a dramatic spur associated with the Great Western Divide. For generations, Mount Kaweah was generally regarded as …
Jun 21 2025
Mount Keith 🏔️ Overview Mount Keith is a high and relatively remote summit on the crest of California’s Sierra Nevada, rising to approximately 13,983 feet (4,262 meters). Although it falls only about 17 feet short of the 14,000-foot mark, the mountain receives considerably less attention than nearby California fourteeners such as Mount Williamson and Mount …
Jun 08 2025
Rasac is a glacier-covered 6,000-meter peak in Peru’s spectacular Cordillera Huayhuash. Rising immediately west of the much larger Yerupajá massif, Rasac has a broad profile that can appear comparatively modest when viewed beside the highest mountains of the range. In reality, it is a serious high-altitude mountaineering objective with steep snow, ice, glacier travel, exposed …
Jun 08 2025
Yerupaja Chico 🏔️ Overview Yerupaja Chico, also spelled Yerupajá Chico and historically known as El Toro, is a spectacular glaciated mountain in Peru’s Cordillera Huayhuash, one of the most rugged sections of the Andes. The mountain rises immediately north of the much larger Yerupajá, the highest mountain in the Cordillera Huayhuash and the second-highest mountain …
Jun 02 2025
Siula Grande 🏔️ Overview Siula Grande is one of the highest and most formidable mountains in Peru’s Cordillera Huayhuash, a compact but exceptionally rugged range in the central Peruvian Andes. The mountain rises to a commonly cited elevation of 6,344 meters (20,814 feet) and is generally considered the second-highest summit in the Huayhuash after nearby …
Jun 02 2025
Yerupajá Yerupajá is the highest mountain in Peru’s spectacular Cordillera Huayhuash and one of the great high-altitude summits of the Andes. Rising more than 6,600 meters above sea level, this enormous glaciated peak dominates the northern part of the range with steep ice faces, knife-edge ridges, hanging glaciers, and formidable summit cornices. Peruvian conservation authorities …
Jun 02 2025
The Cordillera Huayhuash is a compact but extraordinary mountain range in the central Peruvian Andes, known for steep glaciated summits, turquoise alpine lakes, high mountain passes, and some of the most technically challenging peaks in South America. Although the main range extends for only about 30 kilometers (19 miles), it contains an exceptional concentration of …
May 27 2025
Mount Langley Mount Langley is one of the great high summits of California’s Sierra Nevada. Rising above the Cottonwood Lakes Basin south of Mount Whitney, it reaches 14,033 feet (4,277 meters) and is one of California’s recognized fourteeners. Although Mount Langley is exceptionally high, its standard hiking routes are less technically demanding than the classic …
May 27 2025
Cirque Peak 🏔️ Overview Cirque Peak is a high Sierra Nevada summit rising to 12,906 feet (3,934 meters) along the crest of the range in eastern California. The mountain stands on the boundary between Inyo County and Tulare County, approximately three miles south of Mount Langley and southwest of Lone Pine. The summit occupies an …
