Near Boise in Ada County, Idaho — The American West (Mountains)
Located six miles upstream from here, Arrowrock is 350 feet high and 1,150 feet wide. Built at a cost of $4,725,000 to provide additional water storage to get 2,635 valley farms through dry summer seasons, it had enough extra capacity to take care of more than 1,000 new farms as well. Its 18-mile canyon reservoir holds 280,000 acre feet of water.
Erected by Idaho Historical Society. (Marker Number 376.)
Marker series. This marker is included in the Idaho State Historical Society marker series.
Location. 43° 35.464′ N, 115° 59.922′ W. Marker is near Boise, Idaho, in Ada County. Marker is on State Highway 21 at milepost 17, 0.2 miles south of Arrowrock Road, on the right when traveling north. Touch for map. Marker is in this post office area: Boise ID 83716, United States of America.
Other nearby markers. At least 8 other markers are within 8 miles of this marker, measured as the crow flies. More's Creek (here, next to this marker); The Old Toll Road (approx. 2½ miles away); Beaver Dick's Ferry (approx. 5.7 miles away); The Oregon Trail Diversion Dam (approx. 5.9 miles away); The Fur Trade and the Tide of Emigration (approx. 7.2 miles away); The Hunt Expedition (approx. 7.2 miles away); Captain Bonneville (approx. 7.2 miles away). Touch for a list and map of all markers in Boise.
Categories. • Man-Made Features • Natural Resources •
Credits. This page was last revised on June 16, 2016. This page originally submitted on September 20, 2009, by Rebecca Maxwell of Boise, Idaho. This page has been viewed 1,234 times since then and 4 times this year. Photos: 1, 2. submitted on September 20, 2009, by Rebecca Maxwell of Boise, Idaho. • Craig Swain was the editor who published this page.