Join 無料 upcoming events being held in Amphoe Huai Phueng. Amphoe Huai Phueng is a district located in the northeastern province of Khon Kaen, Thailand, known for its picturesque mountain landscapes, lush forests, and the stunning Wat Tham Pha Ngam temple, featuring a natural cave and Buddha image, offering a serene escape for nature enthusiasts and spiritual seekers.