Carson-Iceberg Wilderness

Carson-Iceberg Wilderness is a nature reserve in the Sierra Nevada featuring volcanic peaks, deep river canyons, and varied plant communities across its landscape. The terrain includes steep mountainsides, alpine lakes, and stream systems that wind through the range.

Congress designated this wilderness area in 1984, protecting lands that were previously used by the U.S. Marine Corps for mountain warfare training. This action transformed the territory from military use to conservation purposes.

Indigenous peoples lived in this region for thousands of years, following seasonal patterns and creating routes through the mountains that shaped the landscape. Visitors who hike older trails can still see evidence of these traditional pathways.

Overnight permits are required between May and October, with groups limited to 15 people and 25 pack animals. Visitors should check current conditions and weather patterns before arriving, as high elevation creates rapidly changing conditions.

The wilderness protects a rare population of Paiute cutthroat trout in Silver King Creek, representing one of California's most specialized aquatic habitats. This small fish species exists almost nowhere else and depends entirely on the ice-cold waters of this specific stream.

Location: Mono County

Operator: United States Forest Service

GPS coordinates: 38.46564,-119.78329

Latest update: December 12, 2025 14:22