Lysite (also Lysaght) is an unincorporated rangeland village in northeastern Fremont County, Wyoming, United States. It lies along local roads northeast of the city of Lander, the county seat of Fremont County. The Bridger Trail passed near Lysite on its way north to the gold fields of Montana in the 19th century. Currently, the village consists of a natural gas business, a highway maintenance facility, and a small store, all located at the rear of the village; an abandoned former store and post office edifice at the entry to the village; an abandoned small school in the middle of the village; and a few homes, both in use and abandoned, scattered in between.
During a drought in 1960, Lysite recorded of precipitation for the entire calendar year. This was the lowest calendar year precipitation total recorded in Wyoming, and the lowest anywhere in the United States outside the Southwest.
The village has the Lost Cabin Gas Plant and Madden natural gas field, owned and operated by Contango Resources.
The J.B. Okie mansion is located in Lysite. Lysite has an old one room schoolhouse, library, and a combined general store-post office building, all no longer in use. Most of the residents own cows and horses, and most residents have some background in agriculture. Every summer the community hosts a series of mini rodeos called the gymkhanas. On Labor Day, Lysite hosts a large rodeo, including a night of Ranch Rodeo.
Public education in the community of Lysite is provided by Fremont County School District #24. The district has three campuses â Shoshoni Elementary School (grades PK-6), Shoshoni Junior High School (grades 7âÂÂ8) and Shoshoni High School (grades 9âÂÂ12).