Historical Marker · No. 158

Soda Springs

Caribou County · Idaho

The reservoir that drowned them was built for power. Utah Power and Light finished Soda Dam on the Bear River in 1923 and its powerhouse in 1924, the last of the company's Bear River plants, and Alexander Reservoir rose over Steamboat Spring and the old townsite. The builders left a small construction locomotive on the valley floor. When the reservoir was lowered for inspection in 1976, workers found it in the mud; Union Pacific restored it in Omaha, and the Dinkey is on display in Soda Springs.

What the plaque says

Soda Springs In this area are a group of springs famous to Oregon Trail travelers, most of whom stopped to try the "acid taste and effervessing gasses" of the waters. Earlier, fur traders often--less elegantly--called the place "Beer Springs" after one spring whose water tasted "like Lager Beer ... only flat." Another, Steamboat Spring, made sounds "exactly resembling ... a high pressure steam engine." Both springs are now drowned in the modern reservoir, but others still can be tasted. 158 Text prepared by the Idaho Historical Society Marker made & installed by Idaho Transportation Department

Where it stands

42.65779, -111.62604 · Directions

Worth the stop nearby

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