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The pass is situated in Jackson County on the road and rail transport link between Oregon and California.It measures 4,129 feet (1,259 m) above MSL.Situated along Oregon Route 273 (also known as Old Highway 99), it is 5 miles (8.0 km) north of California state boundary, and 0.5 miles (0.80 km) west of the I-5 summit feature, Siskiyou Summit.
The Siskiyou Mountains form the watershed boundary between the Klamath and Rogue Rivers and are also a rough natural separator between Oregon and California. The summit on Interstate 5 is about 12 miles (19 km) south of Ashland, Oregon, 25 miles (40 km) north of Yreka, California, and 0.5 miles (0.80 km) east of the historical Siskiyou Pass, the most used mountain pass in the state. [2]
Aerial view of Interstate 5 in downtown Medford, where it travels on an elevated viaduct. I-5 enters Oregon at the California state line in southern Jackson County.The highway travels northeast along a ridge in the Siskiyou Mountains, with a maximum grade of 6 percent, to Siskiyou Summit; [12] at 4,310 feet (1,310 m), it is the highest point on all of I-5 and one of the highest points on the ...
Siskiyou Summit is the highest pass on Interstate 5, at 4,310 feet (1,310 m). This pass is one of the most treacherous in the Interstate highway system. The California side has a more gradual slope than the Oregon side, where the freeway climbs or descends 2,300 feet (700 m) in elevation over about 7 miles (11 km).
Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of California , Oregon , and Washington , serving several large cities on the West Coast, including San Diego , Los ...
The following is a list of mountain passes and gaps in California.California is geographically diverse with numerous roads and railways traversing within its borders. In the middle of the U.S. state lies the California Central Valley, bounded by the coastal mountain ranges in the west, the Sierra Nevada to the east, the Cascade Range in the north and the Tehachapi Mountains in the south.
The Siskiyou Wilderness is a federal wilderness area designated by the passage of the California Wilderness Act of 1984. Originally, the land area was 153,000 acres (620 km 2 ) [ 1 ] The Northern California Wild Heritage Act of 2006 added 30,122 acres (121.90 km 2 ) for the current total of 182,802 acres (739.77 km 2 ).
Black Butte (formerly Wintoon Butte, Cone Mountain, Sugar Loaf and Muir's Peak [5]) is a cluster of overlapping dacite lava domes in a butte, [2] a satellite cone of Mount Shasta. [6] It is located directly adjacent to the northbound lanes of Interstate 5 at milepost 742 between the cities of Mount Shasta and Weed, California. The I-5 freeway ...