Arc-Arc Collision
Mount Apo's landscape reflects volcanic processes that have shaped the area over time. Volcanic landforms, deposits, and geothermal features found within the...
DISCOVER THE LANDSCAPE
Mount Apo Geological Sites
Explore Mount Apo’s geological heritage, remarkable landscapes, and the places where geology, nature, and culture meet.
Explore GeositesScientific significance
Outstanding Geology
Mount Apo is a prominent volcanic landscape in Mindanao shaped by a long history of geological processes. Its landscape includes volcanic landforms, geothermal features, mountain slopes, lakes, waterfalls, rock formations, and other sites of geological interest. These features provide opportunities to understand the relationship between geology, biodiversity, natural resources, and the communities surrounding the Mount Apo area.
Apo Volcanic Complex
The southern segment of the CMVA consists of the Davao Volcanic Group (DVG), which has three main volcanic centers: Mt. Apo, Mt....
Seven Peaks and Geothermal Features
Fumaroles and other geothermal features are visible expressions of heat beneath the Earth's surface. Within the Mount Apo landscape, geothermal areas such...
Explore the landscape
Mount Apo Geological Sites Map
Select a numbered location on the official map to discover its geological features, significance, and related information.
Map markers will appear as official numbers and positions are assigned in the Geosite editor.
Geosite directory
Geological Sites
Browse the remarkable landforms, volcanic features, waterfalls, and geological heritage found across Mount Apo Geopark.
43
Published geosites
The main remnant of the volcanic dome before it collapsed, serving as the highest crown in the Philippines. 1. The…
Largest collapse feature on Mount Apo, formed when heat, gases, and fluids weakened rock layers until they gave away. It…
A steep ascent that traverses a prominent escarpment formed by the exposed sheer cliff face of the ancient Sandawa Collapse.
A geothermal renewable energy facility within the Sandawa Collapse structure which exemplifies sustainable volcanic resource utilization that significantly contributes to…
It is formed by geothermal activity, the lake about 60 meters wide originates from heated rocks interacting with groundwater that…
A volcanic/sulfur vent near Mandarangan that emits sulfur gases, generating acidic, high-temperature conditions through interaction with groundwater and rocks.
The Pabunsaran Waterfall is situated in the central part of Sandawa Collapse along the main channel of the Marbel River.
Mainit Waterfall is situated parallel to the Pabunsaran Waterfall along the tributary of Marbel River to whom it relatively shares…
The fossilized leaves and branches were rapidly buried in volcanic ash, then mineralized by silica-rich hydrothermal fluids before they could…
It forms when heat and volcanic gases weaken subsurface rock, causing the ground to collapse and fissures to appear. A…
A small conical peak southwest of Mount Apo along the Kapatagan Trail, features fumaroles and altered andesitic rock, reflecting its…
A striking geological feature formed by volcanic activity, chemical weathering, and mechanical breakdown. Over time, weakened rocks collapse, leaving behind…
These geothermal vents release steam and gas where magma heats the groundwater close to the surface. When these hydrogen sulfide…
The solfatara or sulfur vents extends from the southeast flank towards the summit the air here is heavy with the…
Hydrothermal alteration dissolves dark minerals in solfatara rocks, weakening them through weathering. This produces medium to coarse sand at White…
A fast-moving, superheated currents once swept down the slopes and solidified, depositing materials such as volcanic ash, pumice, and rock…
A geothermal feature located in Sitio Tumpis, Brgy. Sibulan, accessible via the Culan Trail. It is not a single hot…
It occupies a natural depression southwest of the summit that lies in a grassland area, where rainwater and runoff have…
An endorheic lake shaped by lava and pyroclastic deposits, later filled by rain and runoff, with seasonal water levels shifting…
A very steep gradient and highly fractured lithology of the area are significant factors contributing to these old mass movements.…
Summit crater formed after a violent phreatomagmatic eruption, when magma and groundwater interacted to form a powerful explosion
An endorheic lake formed by lava flows and pyroclastic deposits, where rain and runoff gradually filled the depression due to…
One of the three volcanic centers of the geopark and is classified as an inactive volcano, Talomo edifice represents an…
Created by a change in elevation along a river that has carved its way through layers of volcanic deposits and…
A captivating natural attraction that showcases the power of water to carve the landscape which exhibits columnar jointing of andesites.…
Asik-Asik Falls is a natural wonder located at the foothills of Mt. Sibulan. Unlike most waterfalls that originate from a…
Karamagan Falls is a picturesque waterfall located in the foothills of Mount Apo, blending both hydrological and cultural significance. Fed…
Sibulan Old Crater is an inactive volcanic edifice located in Sta. Cruz, Davao del Sur, and is considered part of…
The Pilan Rock Formation is a geologically significant site along the Pilan River, renowned for its striking columnar basaltic andesite…
Tacub Laya Falls is a natural cascade located on the lower slopes of the Apo–Talomo volcanic complex. Formed as a…
Balasong Falls is a picturesque cascade located in the lower reaches of the Apo Volcanic Complex. Formed as a river…
Tousuvan Waterfalls is a striking natural cascade rising about 30 meters high, with a wide pool of cold, crystal-clear waters…
Lake Cometa is a scenic low-elevation lake nestled within the agri-eco tourism park area of Kapatagan,Digos City, on the fertile…
Nagsanga Falls is a notable waterfall located in Barangay Goma, Digos City, Davao del Sur, an area often referred to…
A multi-tiered waterfall situated within a forested ravine with pyroclastic materials. One of the prominent hydrological features within the geopark…
A massive volcanic boulder forms a natural overhang, creating a historic alcove. Once a refuge for the ancient Bagobo warrior…
Dumagok Falls is a significant geological feature located in Sitio Karamagan, Barangay Sinoron, Santa Cruz, Davao del Sur, at the…
The Tangbulan Fault Triangular Facets are striking, roughly triangular-shaped slopes located on the southwest flanks of Mount Apo, along the…
A majestic single‑tier waterfall where the Sibulan River cascades over a steep volcanic rock face. Its sheer cliffs reveal ancient…
Kamandag 7 Falls is a spectacular series of waterfalls located on the lower slopes of Mount Apo, often counted as…
Langan Falls is a scenic waterfall situated along the Langan River, which flows through the lower flanks of the Mount…
Sang’ngawan Hotspring and Falls is a rare natural sanctuary within Mt. Apo Natural Park where geothermal activity meets the cool…
Kansal Falls is a significant geological and hydrological feature located in Sitio Lapan, Barangay Perez, within the foothills of Mount…
Reports & references
Geological Resources
Official fact sheets and references will be listed here when attached to published geosites.