Introduction to rivers: Horqin Grassland is rich in water resources and has 240 large and small rivers. The famous ones include Chuoer River, Taoer River, Guiliu River and Huolin River. There are also more than 20 large and medium-sized reservoirs in the grassland, which contain nutritious freshwater fish. There are many kinds of fish in Horqin, and the meat is fresh and tender. The annual fish output reaches 3,000 tons.