Tabo–Huai Yai Wildlife Sanctuary is located about southeast of
Phetchabun town in Sa Kaeo Subdistrict, Bueng Sam Phan District and Bo Thai, Tha Duang subdistricts, Nong Phai District and Na Yom, Tabo subdistricts, Mueang Phetchabun District of Phetchabun Province and Nang Daet, Tham Wua Daeng, Wang Chomphu subdistricts, Nong Bua Daeng District and Ban Chiang, Chao Thong, Laem Thong, Wang Thong subdistricts, Phakdi Chumphon District of Chaiyaphum Province. The sanctuary's area is and is abutting
Tat Mok National Park to the north, connected with
Phu Khiao Wildlife Sanctuary to the northeast and neighbouring
Sai Thong National Park to the southeast. Mountain ranges lie on the east and west sides of the sanctuary, the altitude varies from to . ==Topography==