Shugendo is a Japan-specific Konko-shukyo (a religion combining Buddhism, Shintoism and other religions) whose objective is to do ascetic practice while confining oneself in the mountains, in order to obtain various shirushi (evidence) which indicate that certain practice levels have been reached.
修験道（しゅげんどう）とは、山へ籠もって厳しい修行を行う事により、様々な「験」（しるし）を得る事を目的とする日本独特の混淆宗教である。