The Hundred Peaks Section (HPS) List is a well-known peak-climbing challenge maintained by the Hundred Peaks Section of the Angeles Chapter within the Sierra Club. The list features more than 100 peaks located primarily in the mountains surrounding Los Angeles, including ranges such as the San Gabriels, San Bernardinos, and nearby desert foothills. Created to encourage exploration of Southern California’s diverse mountain landscapes, the peaks vary widely in difficulty, from straightforward hikes on established trails to rugged cross-country scrambles and technical climbs. Since its creation in the mid-20th century, the list has become a popular goal for peakbaggers and outdoor enthusiasts, offering both a structured challenge and a way to discover lesser-known summits across the region.

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