North Yolla Bolly Mountain, Mountain summit in Trinity County, California, US.
North Yolla Bolly Mountain is a summit reaching 7,868 feet with steep slopes and a small glacial tarn nestled in a cirque on its northern face. The terrain consists of rocky formations and alpine structures that reflect the harsh high-mountain climate.
The mountain area received protection in 1931 as a primitive zone before becoming part of the National Wilderness Preservation System through the 1964 Wilderness Act. This designation reflected growing recognition of the need to preserve alpine landscapes for future generations.
The name Yolla Bolly comes from the Wintu language and refers to snow-covered slopes that dominate the mountainside during winter. The landscape reflects a deep connection between the land and the indigenous peoples who have known this region for many generations.
Access to the mountain comes by way of Forest Road 30, and the best climbing season runs from mid-June to early November when snow conditions permit safe passage. Visitors should be prepared for changing mountain weather and bring appropriate gear.
The mountain marks a meeting point between three major river systems: the Klamath, Sacramento, and Eel River, which originate from its ridge system. This geographic feature makes it a watershed divide of significant topographic importance.
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