Cathedral of St. John the Evangelist (Boise, Idaho)

The Cathedral of St. John the Evangelist, also known simply as St. John's Cathedral, is a Catholic cathedral and parish church in the western United States, located in Boise, Idaho. The seat of the Diocese of Boise, the church building was individually listed on the National Register of Historic Places in 1978. It was included as a contributing property of the St. John's Cathedral Block when the rest of the parish buildings on Block 90 were added to the National Register in 1982. That same year, the parish buildings were included as a contributing property in the Fort Street Historic District.