OTR 2025 is just around the corner! While there are many opportunities for fun, games, and shenanigans at OTR, the Event Tent is a place for cavers of a more discerning nature. Just a little bit away from the noise Read More …

Are you in a band, or do you know of a band that would be a great fit at OTR? OTR leadership is always looking for new acts to perform during OTR – whether on the Pavilion Stage, the River Read More …

OTR welcomes attendees to use human-powered and electric-assist bicycles, scooters, and mobility devices around the site. For the safety of all attendees, please observe the site-wide speed limit of 5 mph and refrain from riding while intoxicated. Note that bicycles Read More …

As a rule, electricity is not available to OTR attendees, with the exception of device charging available at the Charging Station. Any exceptions to electrical usage are ONLY by permission of the OTR chair. Such exceptions may be granted for Read More …