Annual flea market in Sumpter, Oregon every Memorial Day, fourth of July, and Labor Day weekends. More than 150 Booths and vendors - Food, antiques and collectibles make this one of the largest flea markets in the state of Oregon. In addition to the flea market, visitors can ride the Sumpter Valley Railroad, visit the Sumpter Valley Gold Dredge, and explore the region's vast gold rush history at the Sumpter Municipal Museum, and Cracker Creek Mining museum. Large parking area for RV's, but no overnight in parking lot. For more information including vendor registration and availability contact the City of Sumpter or call (541)894-2314.