↑ Lancion, Jr., Conrado M.; cartography by de Guzman, Rey (1995). "The Provinces; Surigao del Sur". Fast Facts about Philippine Provinces (The 2000 Millenium ed.). Makati, Metro Manila, Philippines: Tahanan Books. p. 156. ISBN971-630-037-9. สืบค้นเมื่อ 28 April 2016.
↑ Crismundo, Mike (22 September 2015). "Caraga tourist arrivals to reach 2M by end of 2015". Manila Bulletin. สืบค้นเมื่อ 18 April 2016. Frequently visited by this huge volume of tourists are the famous “Cloud 9” and amazing beach resorts and islets in Siargao Island, the Sohoton Cove in Bucas Grande Island in Socorro town, the game fishing hub in Pilar, all in Siargao Island in Surigao del Norte, the Enchanted River in Hinatuan, Surigao del Sur, the Tinuy-an Falls in Bislig City and Balanghai in Butuan City.
↑ Alcantara, Jojie (11 February 2005). "Tinuy-an Falls: Our little Niagara". Sun.Star Davao. คลังข้อมูลเก่า เก็บจาก แหล่งเดิม เมื่อ 28 April 2005. สืบค้นเมื่อ 18 April 2016. Tinuy-an is a three-tiered falls (there is a fourth but cannot be seen from view) about 55 meters high and a breathtaking width of 95 meters, supposedly the widest in the country.
