The use of hallucinogenic plants has throughout human history been used for religiouspurposes, in order to induce mystical states of mind, often interpreted as meeting with godsand spirits. In recent years, this practice has been taken up by people interested in theexploration of their psyche and spiritual side. This group of people, referred to as?psychonauts?, communicate with each other through internet based forum, where theyshare their experiences in so called ?trip reports?. The aim of this study was to see whatrole psychedelic drugs can play when used in a spiritual/religious context, and whetherthese sorts of mystical states of mind could tell us about more traditional mysticalexperiences.