Happy Camp (Karuk: athithúf-vuunupma) is a census-designated place (CDP) in Siskiyou County, California in the United States. The population was 1,190 at the 2010 census.
The town of Happy Camp "The Heart of the Klamath" is located on State Route 96, about 70 miles (110 km) west of Interstate 5 and 100 miles (160 km) northeast of Willow Creek. The town of Takilma, Oregon is accessible from Happy Camp (which is nearly 40 miles (64 km) away). The shortest route to Oregon, over the Grey Back pass, is a seasonal summer road and is not cleared or maintained in snowy conditions. The Forest Service, located in Happy Camp on SR 96, provides road closure information.
Happy Camp was so named by miners in the early days of prosperity. It has frequently been noted on lists of unusual place names. H.C. Chester, who interviewed Jack Titus in 1882–83, states that Titus named the camp because his partner James Camp, upon arriving there, exclaimed, "This is the happiest day in my life." Redick McKee mentions the camp on November 8, 1851, as "Mr Roache's Happy Camp" at the place known as Murderer's Bar. (Indian Report 1853:178)
Happy Camp sits on the Klamath River and a nexus of creeks including Elk Creek, Little Grider Creek, Indian Creek, Doolittle Creek, Ikes Creek, Deer Lick Creek and Cade Creek.