Del Norte County topographic maps

The topography of the sea floor surrounding Crescent City has the effect of focusing tsunamis. According to researchers at Humboldt State University and the University of Southern California, the city experienced tsunami conditions 31 times between the years 1933 and 2008. Although many of these incidents were…

Average elevation: 102 ft

Hiouchi (Tolowa: Xaa-yuu-chit) is a census-designated place in Del Norte County, California. It is located on the Smith River 7.5 miles (12 km) east-northeast of Crescent City, at an elevation of 171 feet (52 m). Its population is 314 as of the 2020 census, up from 301 from the 2010 census.

Average elevation: 531 ft

Redwoods prefer sheltered slopes, and they thrive on moist flat ground along rivers below 1,000 feet (300 m) in elevation. Coastal fog provides about 40 percent of their annual water intake. Redwoods have existed along the coast of northern California for at least 20 million years and are related to tree…

Average elevation: 1,204 ft

Average elevation: 650 ft

Redwoods prefer sheltered slopes, and they thrive on moist flat ground along rivers below 1,000 feet (300 m) in elevation. Coastal fog provides about 40 percent of their annual water intake. Redwoods have existed along the coast of northern California for at least 20 million years and are related to tree…

Average elevation: 1,063 ft

Average elevation: 79 ft

Average elevation: 741 ft

The topography of the sea floor surrounding Crescent City has the effect of focusing tsunamis. According to researchers at Humboldt State University and the University of Southern California, the city experienced tsunami conditions 31 times between the years 1933 and 2008.[25] Although many of these incidents…

Average elevation: 20 ft

Average elevation: 1,168 ft

Average elevation: 95 ft