Thung Bua Sawan is the biggest Siam Tullip field in Chaiyaphum province which includes five large fields. There are pink and white colors of Siam Tullip. They bloom beautifully in the late June to middle of August and November to January. The walk is convenient and easy, passing along Deciduous Dipterocarp Forest and cliffs. The travel distance between is around 4 kilometers. The Every year, the national park provides ecotourism by having staff to lead way up to camp on the field to enjoy the beauty of fresh-colored bouquets blooming among grass, trees, mountains and cool mist in the winter