Silver Creek Cliff Tunnel & Cliff

Historical & Museum, Parks & Geology

(from site) For years Highway 61’s most breathtaking moment was driving along the Silver Creek Cliff, formed by volcanic activity more than a million years ago. Before it became part of the trunk highway system in the 1920s, the road actually diverted inland several miles to avoid the cliff. When the trunk highway was built, […]

August 29, 2013