A – GEOGRAPHICAL LOCATION
The Municipality of Barobo is located in the central part of the Province of Surigao del Sur. It lies within 8°34’00” and 8°25’06” latitude and 125°59’00” and 126°22’00” longitude. It is bounded on the north by the pacific ocean and the municipality of Lianga. On the south by the municipality of Tagbina.On the east the municipality of Hinatuan, and on the west by the province of Agusan del Sur. It is linked by a national road to the city of Butuan in Agusandel Norte of 107 kilometers, which is the present regional center known as the Caraga Administrative Region, and to the then regional center of Davao City, Region XI of 223 kilometers. It is the entrance from the province of Agusan del Sur to the capital town of Tandag of 103 kilometers.
B – TOPOGRAPHY
B.1 – Elevation:
The municipality is characterized by hilly and mountainous terrain with uneven distribution of lowlands. It consists mostly of highlands and mountain ranges which lines the pacific coast and provide sufficient protection against typhoons and tidal waves from the Pacific Ocean.
The highest point elevations in the municipality of Barobo are the peaks of Magdiwata Mountains along the Surigao-Agusan boundary Mountain ridges at 420 meters and 360 meters above the mean sea levels (MSL). More or less 29% of the land area are low lying with elevations of less than 60 meters (see Table 3). The remaining 75% of the municipal land area with elevations in excess of 60 meters are in the areas at Barangays Gamut, Tambis, JavierGuinhalinan, Amaga, Sudlon and Wakat along the magdiwata mountain range.
B.2 - Hydrology
The municipality of Barobo is graced with the best fishing ground, having more or less one third of its perimeter facing along the sea. The coastlines of the municipality starts from the mouth of the Pagbutuanan cave which is the boundary between the municipality of Lianga and Barobo, and extends as far as the municipal water boundaries along the Lianga Bay area up to the eastern coast of Barangay Cabacungan between the boundary of Barobo and Hinatuan. The Baroboriver along the poblacion, short as it is with its headwater at Bogac Spring which was the site of the original settlement, is one of the navigable body of water which flows to the Barobo Bay. The southwestern part is characterized by vast fertile plains with minor streams and creeks which originates from the MagdiwataMountain range located between the boundary of Surigao del Sur and Agusan del Sur. These creeks and streams serve as the tributary to the Tambis and Binooyan rivers which in turn flow eastward down to the Hinatuanriver in the municipality of Hinatuan.
Table 1: Main Hydrologic Features
Name of Barangay| Principal Bodies of Water|
| Name| Ave. Width| Approx. Length| Area|
Poblacion| Barobo River| 28| m.| 1,500 | m.| 42,000 | sqm.| Bahi| Bahi River| 20| m.| 7,400 | m.| 148,000 | sqm.| Campbagang| Campbagang Creek| 8| m.| 5,600| m.| 44,000| sqm.| Javier| Javier River| 20| m.| 9,900 | m.| 198,000 | sqm.| | Tagmamatay Creek| 8| m.| 950 | m.| 7,600 | sqm.| | Mate Creek| 12| m.| 6,950 | m.| 83,400 | sqm.| | Taunaga Creek| 8| m.| 820 | m.| 6,560 | sqm.| | Guinhalinan River| 20| m.| 5,900 | m.| 118,000 | sqm.| | Binooyan Creek| 12| m.| 7,740 | m.| 92,880 | sqm.| | Comboa Creek| 8| m.| 1,200 | m.| 9,600 | sqm.| | Pangapugan Creek| 8| m.| 1,630 | m.| 13,040 | sqm.| | Candiisan Creek| 12| m.| 5,475 | m.| 65,700 | sqm.| | Alikway Creek| 12| m.| 4,415 | m.| 52,980 | sqm.| | Usa River| 20| m.| 5,265 | m.| 105,300 | sqm.| San Jose| Yako Creek| 8| m.| 3,700 | m.|...