This tree-filled avenue is home to some of Boise's first houses done in a graceful late 1800s architecture. Located near downtown Boise, these elegant mansions were the first in the United States to be geothermally heated. Stroll the neighborhood and find some of the best gems. The oldest home, built in 1868, is at 1035 Warm Springs Avenue. The first geothermally heated home, built in 1891, can be found at 1109 Warm Springs Avenue. At 929 Warm Springs Avenue, you come to a 1925 house built in the style of a British manor. All of the homes are private and are not open for tours.

Phone: (208) 344-7777