Lewis and Clark County Fairgrounds Helena, MT Email Address: Lewis and Clark County Fairgrounds 98 W. Custer Ave. Helena, MT Info: Website 406-461-8745 Region: Helena Upcoming events at Lewis and Clark County Fairgrounds Jul 21 Tue Last Chance Stampede and Fair Jul 21 - Jul 25 Helena Lewis and Clark County Fairgrounds Comedy Events Music Performing Arts Sports & Recreation Dec 04 Fri Helena Holiday MADE fair Dec 4 - Dec 5 Helena Lewis and Clark County Fairgrounds Art & Exhibits Events Festivals