Three County Joint Board Meeting – December 15, 2025 County Government Center – Open to the Public Lake Siskiyou Delta Bridges Removed for Winter Season Copco Road Project Update: Crews …

Explore Siskiyou's high-quality precision devices and motion control systems. From laboratory equipment to photonics solutions, find the tools you need for your experiments.

Siskiyou County (/ ˈsɪskjuː / ⓘ SISK-yoo) is a county located in the northwestern portion of the U.S. state of California. As of the 2020 census, the population was 44,076. [3]

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With nearly 445,000 acres of awe-inspiring Northern California wilderness, Siskiyou is an outdoor enthusiast’s dream. Hike, climb, fish, ski, bike and more.

Siskiyou County is located in the middle of far northern California, USA, just next to the Oregon border. The Interstate 5 freeway runs through the center of our area, and Mount Shasta, the second highest …

Feb 18, 2025 · The forested mountains, valleys and meadows of the Siskiyou Wilderness in Del Norte, Humboldt and Siskiyou counties of northwestern California offer vistas of incredible beauty, diverse …

Siskiyou County features spectacular natural beauty and scenic cities, areas and towns including Yreka (the County Seat), Mt. Shasta, Weed, Dunsmuir, McCloud, and Tulelake as well as Butte Valley, …

Discover the real northern California in Siskiyou County, a perfect spot for whitewater rafting, hiking, snowplay, and other outdoor adventures.

The Siskiyou Mountains are a coastal subrange of the Klamath Mountains, and located in northwestern California and southwestern Oregon in the United States.