CS Guide Services provide full and half day guided fly fishing float trips on the world-class Missouri River. Based out of Helena, Montana, our locally owned guide service aims to put you on some big trout and spend an amazing day out on the water in big sky country. Whether you are an experienced fly fisherman or have never been out on the river, we are here to show you exactly what Montana fly fishing has to offer. On the Missouri, you will find several trout species including rainbow trout, brown trout, and whitefish. No matter what you are looking for or when you go, you are sure to find some fish and some good times with CS Guide Service!