If you want to join Ordo Templi Orientis, see our Membership page for instructions. Visitors are welcome at many O.T.O. events; see our Locations page for a map and list of local O.T.O. bodies, including links to their websites.

In addition to the website you are currently reading, there are many other websites operated by U.S. Grand Lodge. Most of these will be of interest primarily to members of O.T.O., but all are accessible to the public.

Postal mail to U.S. Grand Lodge which is not better addressed to some specific office may be sent to:

Ordo Templi Orientis U.S.A.
P.O. Box 2313
Maple Grove, MN 55311

If you are outside the United States, visit the International O.T.O. Headquarters site for contacts and other information. International O.T.O. charters guilds to foster cooperation among members engaged in a common vocation. Currently, only the Psychology Guild is active.

For any other questions, or assistance finding the right point of contact, email the webmaster at

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