In-Ko-Pah Gorge is a deep narrow

canyon A canyon (; archaic British English spelling: ''cañon''), gorge or chasm, is a deep cleft between escarpments or cliffs resulting from weathering and the erosive activity of a river over geologic time scales. Rivers have a natural tendency t ...

gorge A canyon (; archaic British English spelling: ''cañon''), gorge or chasm, is a deep cleft between escarpments or cliffs resulting from weathering and the erosion, erosive activity of a river over geologic time scales. Rivers have a natural tend ...

San Diego San Diego ( , ) is a city on the Pacific coast of Southern California, adjacent to the Mexico–United States border. With a population of over 1.4 million, it is the List of United States cities by population, eighth-most populous city in t ...

and Imperial counties,

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

, and was originally known as Myer Canyon. Its head is at at an elevation of . Myer Creek flows down the In-Ko-Pah Gorge from its source in the Jacumba Mountains at the head of the canyon to its mouth at an elevation of , then eastward to its mouth where it settles into the sands of the Yuha Desert, east of Ocotillo. Boulder Creek enters the canyon at its confluence with Myer Creek, a little over below the source of Myer Creek, at an elevation of . In-Ko-Pah Gorge carries the eastbound lanes of Interstate 8 through the In-Ko-Pah Mountains, while the westbound lanes use a different alignment through Devils Canyon. The road can be subject to closure in adverse weather conditions. During Hurricane Hilary in 2023, the highway closed due to a massive rockslide.

References

Valleys of Imperial County, California Interstate 8 {{ImperialCountyCA-geo-stub