LONGEST AND DEEPEST CAVE IN THE PHILIPPINES
THE 10 LONGEST CAVE
- 1. SAINT PAUL CAVE
- Bahile, Palawan. Length: c15000 m. Vertical Range: 100m. From the ressurgence
entrance on St. Paul Beach, the underground tidal river is navigable for
7km to a collapse which may be passed to gain access to the foot of the
100m entrance of Pennings Cave. An upper series explored by Italian
Cavers in 1989 doubled the previous surveyed length of the cave. Short
underground boat trips are available to tourists. Refs: Bruce 1980;
Mouret 1986.
- 2. ODLOMAN CAVE SYSTEM -
Mabinay, Negros Oriental. Length: 8870m Vertical Range: 82m. Exploration
is incomplete - five entrances have been connected and the system comprises
a mix of large and small galleries with some active streamway. Refs:
Slangan 1991.
- 3. ODESSA - TUMBALI CAVE SYSTEM
- Penablanca, Cagayan. Length: 7650m. Refs: Speleo Philippines 1992.
- 4. LANGUN - GOBINGOB SYSTEM
- Calbiga , Samar. Length: c5000m. Enormous cave passage, both active and
fossil, with two main entrances in large dolines. Contains two sumps. Refs:
Rossi et al 1987, maps, survey.
- 5. SUMAGING -LATIPAN - LOMYANG - CRYSTAL SYSTEM - Sagada, Mountain Province. Length: 4000m. Vertical Range: 163m.
Six entrances lead to a complex mix of active and fossil cave remarkable
for its large passages and impressive gours. The system is partially accessible
to tourists and a sump connected to Lokohong Cave. Refs: De Vivo and
Menin 1986, survey.
- 6. CANTABACO COAL CAVE -
Toledo, Cebu. Length: 3937m. Refs: Speleo Philippines 1992.
- 7. QUIBAL CAVE - Callao,
Penablanca, Cagayan. Length: 3000+m. Two known vertical entrances to a
large system with bad air. SMOC are continuing the survey. Briefly further
explored and surveyed during the Speleo Philippines 92. Refs: Smart
1991.
- 8. COLAPNITAN CAVE - Libmanan,
Camarines Sur. Length: 2856m. A complex fossil system exploited for guano.
Refs: Mouret 1986.
- 9. CAYASO CAVE - Mabinay,
Negros Oriental. Length: 2222m. Vertical Range: 55m. Three entrances to
a sporting cave with sumps. Refs: Slangan 1991.
- 10. AGOYO - IGE CAVE - Sagada,
Mountain Province. Length: 1816m. Vertical Range: 58m. A multi-entrance
cave comprising mainly active passageway. Ten meters of impassable tight
rifts separates the Agoyo - Lomyang System. (See cave 5 above)
THE 10 DEEPEST CAVE
- 1. SUMAGING - LATIPAN - LOMYANG - CRYSTAL CAVE SYSTEM - Sagada, Mountain Province. Vertical Range: 163m. Refs: De
Vivo and Menin 1986.
- 2. JACKPOT CAVE - Quibal,
Penablanca, Cagayan. Vertical Range: 115m. Refs: Speleo Philippines
1992.
- 3. SAINT PAUL CAVE - Bahile,
Palawan. Vertical Range: 100m. Refs: Bruce 1980; Mouret 1986.
- 4. CAROL - AN BITO - Carol-an,
Negros Occidental. Vertical Range: 88m. A 50m entrance pit leads to a short
passage followed by a 22m pitch and a sump. Refs: Slangan 1991.
- 5. GAMAY BITO - Carol-An,
Negros Occidental. Vertical Range 85m. An 85m entrance pit leads to an
incompletely explored cave. Refs: Slangan 1991.
- 6. ODLOMAN CAVE SYSTEM -
Mabinay, Negros Oriental. Vertical Range: 82m. Refs: Slangan 1991,
- 7. NATIVIDAD CAVE - Sagada,
Mountain Province. Vertical Range: 71m. Two entrances ( used as burial
sites ) lead to a complex system in a heavily faulted zone. Refs: Mouret
1986.
- 8. EAGLE - DINJAYOP CAVE SYSTEM -
Obo, Dalagutte, Cebu. Vertical Range: 68m. Vertical Maze of Passages on
five distinct levels connected by at least 13 pits to an active streamway
lower section, presumed to be connected to Dinjayop Cave at Dalaguette
River Level. Refs: Speleo Philippines 92.
- 9. BAT CAVE - Wawa, Montalban,
Rizal. Surveyed Depth: 65.5m. A deep pit into a large chamber with multiple
entrances and tentacle passages off.
- 10. LHORET CAVE - Quibal,
Penablanca, Cagayan. Surveyed Depth: 64m (+estimated 40m unsurveyed ).
A deep entrance feet of 49m leading to a steeply descending cave, some
of which has not been clinometer surveyed for depth. If fully surveyed,
the cave would become the third deepest in the current list. Refs:
Speleo Philippines 92.
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