Petrolia topographic map

Average elevation: 82 m

The city marina is on one of three islands at a narrow point on the 13-mile-long (21 km) bay and increases in elevation slightly as it spreads north, south, and especially to the east. The city gently encroaches at least two miles (3.2 km) eastward into primarily Redwood and Douglas-fir second growth forests.…

Average elevation: 18 m

Average elevation: 247 m

Trinidad (Spanish for "Trinity"; Yurok: Chuerey) is a seaside city in Humboldt County, located on the Pacific Ocean 8 miles (13 km) north of the Arcata-Eureka Airport and 15 miles (24 km) north of the college town of Arcata. Trinidad is noted for its coastline, with ten public beaches and offshore rocks, part…

Average elevation: 38 m

Average elevation: 236 m

Average elevation: 656 m

Average elevation: 195 m

Average elevation: 613 m

Average elevation: 48 m

Trinidad (Spanish for "Trinity"; Yurok: Chuerey) is a seaside city in Humboldt County, located on the Pacific Ocean 8 miles (13 km) north of the Arcata-Eureka Airport and 15 miles (24 km) north of the college town of Arcata. Trinidad is noted for its coastline with ten public beaches and offshore rocks, part…

Average elevation: 38 m

Hydesville is a census-designated place (CDP) in Humboldt County, California, United States. Hydesville is located 4.5 miles (7.2 km) southeast of Fortuna, at an elevation of 364 feet (111 m). The population was 1,237 at the 2010 census, up from 1,209 at the 2000 census.

Average elevation: 162 m

Average elevation: 251 m

The city marina is on one of three islands at a narrow point on the 13-mile-long (21 km) bay and increases in elevation slightly as it spreads north, south, and especially to the east. The city gently encroaches at least two miles (3.2 km) eastward into primarily Redwood and Douglas-fir second growth forests.…

Average elevation: 100 m

Average elevation: 1,308 m

Average elevation: 744 m

Average elevation: 507 m

Average elevation: 35 m

Average elevation: 420 m

Average elevation: 66 m

Average elevation: 823 m

Average elevation: 247 m

Average elevation: 403 m

Average elevation: 20 m

Average elevation: 229 m

Average elevation: 614 m

Average elevation: 39 m

Blue Lake (formerly, Scottsville) is a city in Humboldt County, California, United States. Blue Lake is located on the Mad River in a deep valley, 16 miles (26 km) northeast of Eureka, at an elevation of 131 feet (40 m). Its population is 1,208 as of the 2020 census, down from 1,253 from the 2010 census.

Average elevation: 74 m

Average elevation: 471 m

Average elevation: 163 m

Average elevation: 36 m