evidence: The park’s territory lines Thailand-Cambodia border, over high cliff and lush forest of Dongrek Range. Khao Phra Wihan National Park acquires 130 square kilometres area of Amphoe Kantharalak of Si Sa Ket, Sub Amhoe Nam Khun and Amphoe Nam Yuen of Ubon Ratchathani. The country’s 83rd National Park was established on March 20, 1998. [...] Phra Wihan National Park features attractions and interesting activities including: [...] For more information about accommodation and camping ground, call tourist centre Khao Phra Wihan National Park at 0-4561-9214 or the Department of National Park at 0-2562-0760.