Unionville is a small hamlet in Pershing County, Nevada.The town best years were during the 1870s, when it was an active mining and prospecting town serving the surrounding hilly region. For a brief time, Samuel Langhorne Clemens lived there and prospected, but left without having had much success. Currently, the hamlet consists of a single business - a tourist inn - and a few small houses clustered along or near the gravel roadway which permits vehicular ingress and egress. The nearest paved road, an extension of this gravel road, is about 7 miles to the east. The nearest services of any sort, other than those available at the inn, are approximately one hour drive away.