Mount Biliran, Philippines

Prominence: 1320 m, 4331 ft

Elevation: 1320+ meters, 4331+ feet

True Isolation: 67.76 km, 42.11 mi
Elevation Info:Elevation range: 1320 - 1340 m
    (20-meter closed contour)
Latitude/Longitude (WGS84)11° 39' 0'' N, 124° 27' 43'' E
11.649924, 124.46188 (Dec Deg)
659357 E 1288254 N, Zone 51 (UTM)
State/ProvinceEastern Visayas (VIII)
County/Second Level RegionBiliran

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Lists that contain Mount Biliran:
     Asia Island High Points above 1000 meters (Rank #55)

Ascent Info

No ascents/attempts of this peak logged yet.

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+ Mount Biliran 1320+ M (20 M intervals)
This HP is in north central part of the island, and I believe supplants the HP currently listed by Peakbagger. I added this peak to Peakbagger and I call it the island HP. It is Mount Biliran.
Peakbagger uses a lower point called Mt Suiro for an island HP list. Their “HP” is called Mt Suiro but I believe it was misnamed and is actually Mount Sayoa
1) Google Map 2016 is used on Peakbagger page. “Suiro” or its equivalent is 1260 M (20 M interval) on this map. Peakery also uses this map system and calls “Suiro” the island HP, but also lists its elevation as only 761 M, and misplaces the point to a side slope to the NW.
However scouring Google maps I find using contour lines a HIGHER point unnamed on Google in the north, at 1320+ M (20 M interval).
2) US Army 1954 Topo NC-51 3&4
(This map is after the last volcanic eruption of 1939 and should not be affected by volcanism). It shows a spot elevation (unnamed) of 1282 at my listed HP. They also show the SE former HP at a lower elevation of 1266 M and call it Mt Sayoa rather than Mt Suiro.
3)OpenStreetMap calls my determined HP Mt Biliran and lists it as 1340 M. It also shows the SE Island former HP area as having lower summits. It shows Mt Sayoa and Mt Sayao in the current Peakbagger HP area and list them as 1266 M in elevation, and shows Mt Suiro to the NW of this area and does not list the elevation.
4) OpenHikingMap (used for topos in the Philippines by GAIA) is for some reason totally corrupt for all these peaks, showing wildly dense contour lines With elevations over 4300 M at the northern HP (which they also call Mt Biliran). It has elevations over 6750 M for the SE summits!! It obviously is of no value in determining the island HP.
The peak is also the HP of Biliran Province, which is within Region VIII Eastern Visayas
Dynamic Map

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Prominence  Clean Prominence: 1320 m/4331 ft
  Optimistic Prominence: 1340 m/4396 ft
  Key Col: 0 m/0 ft
IsolationIsolation Page  (Detailed isolation information)
   Distance: 67.76 km/42.11 mi
   Isolation Limit Point: 11.1033, 124.7425
Nearest Higher Neighbor in the PBC database:
    Alto Peak  (SSE)
RangesContinent: Asia
Range2: Philippines
Range3: Central Philippines
Drainage BasinsIslands-Pacific-Asia
Pacific Ocean
IslandBiliran (Highest Point)
Data SourceShuttle Radar Topography Mission (SRTM) data
This peak was submitted to the database by Dan Baxter.

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