Abhayagiri is a Theravadin Buddhist monastery of the Thai Forest Tradition in Redwood Valley, California. Its chief priorities are the teaching of Buddhist ethics, together with traditional concentration and insight meditation, as an effective way of completely uprooting suffering and discontent. Abhayagiri means 'fearless mountain' in the Pali language.
Buddhism entered the US during the 19th century with the arrival of the first immigrants from East Asia. The first Buddhist temple was established in San Francisco in 1853 by Chinese Americans.
The first prominent US citizen to publicly convert to Buddhism was Colonel Henry Steel Olcott in 1880 who is still honored in Sri Lanka for his Buddhist revival efforts.
An event that contributed to the strengthening of Buddhism in the US was the .