Cathedral of the Rockies, aka Boise First United Methodist Church, is a United Methodist church located in the historic North End district of Boise, Idaho, United States of America with an additional campus on Maple Grove Rd. The Cathedral is the largest United Methodist Church in Boise, Idaho, the largest in the Oregon-Idaho Conference of the United Methodist denomination and was the first Methodist church in Boise (founded in 1872). The Amity Campus is the result of a merger between Amity United Methodist Church and the Cathedral of the Rockies in May of 2013.