It serves as the catch basin of Agusan Davao Plain in Eastern Mindanao. It is considered as the biggest Marsh in Philippines covering an area of more than 19 thousand hectares. 49% of it is swamp forest while the remaining portion are lothic and riverine ecosystem. It is one of the significant wetland ecosystem in the country.

In Agusan Marsh, one can go for river safari and bird watching. Purple herons, storks, sea eagles, wild ducks and many endagered species can be seen in the area especially in the months of November, December, and January.

This mystical mountain stands 633 meters high, perfect for a fun climb to regular mountaineers. It is San Francisco�s sole-source of potable water supply and a recipient of the DENR�s reforestation program dubbed as Billion Tree Act. It has an area of 1,658 hectares covered with lush green forest and an array of wild, rare tropical flora and fauna. A scenery of nature in perfection, the mountain�s peak offers a panoramic view of Agusan del Sur and its neighboring provinces. Looking at a distance, Mt. Magdiwata poses as a backdrop of San Francisco.