Mad River, California

Mad River: Situated at an elevation of 2,513 feet in the rugged mountains of Trinity County, California, this rural community lies alongside its namesake waterway.

About

Mad River is a city located in the county of Trinity in the U.S. state of California.

Quick Facts about Mad River

State California (United States)
County Trinity County
Latitude & Longitude 40.4524,-123.5098
Time Zone America/Los_Angeles
Local time 03:25:31 (6th November 2026)
Postal code 95552
Weather 37℉ Partly Cloudy 7-days weather

Geography

Mad River is located at 40°27'9"N 123°30'35"W (40.4523700, -123.5097600).

Mad River map

Click "full screen" full screen map icon to open full mode. View satellite images

Weather

37°F
Partly Cloudy
3 mph SSW Tonight

Partly cloudy, with a low around 37. South southwest wind around 3 mph.

7-Day Forecast
Mad River zip code is 95552. County name: Trinity, County fips: 06105
Mad River Camp

Nearby Transit Stations (12)

Rail and bus stations connected to Mad River, CA. Select a station to open its map and address details.

Code Name Address Type
GBV Garberville, California 924 Redwood Drive BUS
RDS Rio Dell-Scotia, California 100 Main Street BUS
FTA Fortuna, California 719 South Fortuna Blvd BUS
ARC Arcata (Transit Center), California 925 E Street BUS
EKA Eureka, California Sixth and C Sts. BUS

Closest post offices linked to Mad River.

Post Office Name City ZIP
Mad River Post Office Mad River (CA) 95552

Other cities in Trinity County

Cities, towns, neighborhoods & other populated places in Trinity County , CA.

City Name Population Title
Weaverville 3,600 California
Hayfork 2,368 Census-designated place in Trinity County, California