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6132m (+400m unsurveyed)

Vertical Range



18. 1’15.52



Alternative Name



From the Blue Water sitio the entrance to the cave is signposted.  Since the

Entrance Description

The river flows out the large entrance into a sizeable pool.  Access is via the right hand side and then climbing up a couple of meters to the stream floor.  The area is now popular with tourists who pay a modest fee to visit the site.


Blue Water Cave is a





The cave was first reported to the caving community by Olympio Muñoz during the late 80’s / early 90’s while overseeing logging activities in the area.  During the Speleo Philippines 1995 expedition it was bought to our attention but back then it was considered extremely difficult to get to.  The only access was via an old abandoned logging track with no public transport. 

By 2005 the cave was becoming well known and during the Philippine Speleological Society Inc (PSSI) 5th Annual Congress held in Duba (17.835274° 121.931650°) the cave was visited as day excusion.  Prior to the Congress in January 2004 members of Gaia Exploration Club with support from Sierra Madre Outdoor Club and Sang-at Sang Outdoor Clob mapped the entrance series for 500m which was drawn up by G-third Atanque.  After the Congress the Bristol Exploration Club visited the cave for a number of days but where thwarted from extensive caving by the PNP and succumbed to the alternatives of Ginebra and Tanduay.  None the less a pitch was climbed and a way on established.

No serious exploration of the cave took place between then a further BEC trip in 2014 when a team of 7 explored and mapped 2km of the cave.  The team was stopped at a third pitch but the passage continued large at 10m wide and 50m high.

Bluewater Resurgence – 20/04, Lucy Greenwood, Stu Gardiner, Laura Benn, Olly Legg

Revisited cave pushed in 2014. Caved until beyond first pitch, continued upstream some way. Some unsurveyed passage found in higher level route beyond gour pools and cave pearls, continues some way into muddy passage. No survey equipment so will need revisiting. Photos taken in many locations of aesthetic note along the way.