Petrolia topographic map

Eureka, located along Humboldt Bay in Northern California, has a diverse and varied topography. The city itself is situated at relatively low elevations, with the bay’s narrow point serving as a key feature in the landscape. Its average elevation is around 50 feet (15 meters), and the terrain gently rises…

Average elevation: 16 m

Average elevation: 82 m

Humboldt Hill is a census-designated place (CDP) in Humboldt County, California, United States. Humboldt Hill rises to an elevation of 636 feet (194 m). The population was 3,498 at the 2020 census, up from 3,414 at the 2010 census. The area is in the 95503 zip code and part of unincorporated Eureka.

Average elevation: 39 m

Average elevation: 36 m

Shelter Cove is a census-designated place in Humboldt County, California. It lies at an elevation of 138 feet (42 m). Shelter Cove is on California's Lost Coast where the King Range meets the Pacific Ocean. A nine-hole golf course surrounds the one-runway Shelter Cove Airport at the center of Shelter Cove's…

Average elevation: 260 m

Weott is an unincorporated community in Humboldt County, California. It is located 233 miles (375 km) north of San Francisco and 25 miles (40 km) due east of the Pacific Ocean. Lower Weott is situated at an elevation of 330 feet (100 m) along the Avenue of the Giants scenic highway and in the flood plain of…

Average elevation: 190 m

Fieldbrook (formerly Bokman's Prairie and Buckman's Prairie) is a census-designated place in Humboldt County, California. It is located 7 miles (11 km) north-east of Arcata, at an elevation of 203 feet (62 m). The population was 827 at the 2020 census.

Average elevation: 254 m

McKinleyville (formerly Minorsville) is a census-designated place (CDP) in Humboldt County, California McKinleyville is located 5.25 miles (8.4 km) north of Arcata, at an elevation of 141 feet (43 m). The population was 15,177 at the 2010 census, up from 13,599 at the time of the 2000 census.

Average elevation: 49 m

Average elevation: 752 m

Average elevation: 82 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: 86 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: 36 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: 86 m

Average elevation: 152 m

Average elevation: 36 m

Rio Dell (Spanish: Río Dell, meaning "river," with English "dell," meaning small valley in a woodland) is a city in Humboldt County, California, United States. It is located on the west bank of the Eel River 1 mile (1.6 km) north of Scotia at an elevation of 161 feet (49 m). The population was 3,363 at the…

Average elevation: 97 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

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: 16 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: 15 m

Average elevation: 36 m

Average elevation: 36 m

Average elevation: 72 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: 752 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: 420 m

Average elevation: 1,308 m

McKinleyville (formerly Minorsville) is a census-designated place (CDP) in Humboldt County, California. McKinleyville is located 5.25 miles (8.4 km) north of Arcata, at an elevation of 141 feet (43 m). The population was 15,177 at the 2010 census, up from 13,599 at the time of the 2000 census.

Average elevation: 49 m

Average elevation: 823 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: 19 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: 86 m