Since 2002, CMRCA has provided award-winning rock climbing and caving courses in stunningly beautiful northern Thailand. With a strong focus on quality instruction, CMRCA is much more than a tour operator. CMRCA is owned and run by passionate climbers and cavers who want nothing more than to create other passionate adventurers! Safety always comes first. We use only the best, internationally-certified equipment, and our guides are held to the highest standards in Thailand.Be sure to book in advance as courses fill up quickly.