Geography of the Philippines Bay. Laguna de Bay, east of Manila Bay, is the largest freshwater lake in the Philippines. Several rivers have been harnessed for hydroelectric power. To protect the country's biological resources, the government has taken a first step of preparing a Biodiversity Action Plan to address conservation of threatened species. The islands are volcanic in origin, being part of the Pacific Ring of Fire, and are mostly mountainous. The highest point in the country is the peak of Mount Apo in Mindanao, which is above sea level. The second highest point can be found on Luzon at Mount Pulag, a peak
Mount Baigura Mount Baigura Mount Baigura, "Baïgura", "Baygoura" or "Baighoura" (el. 897 m./2943 ft.) is a mountain of the inner French Basque Country. Transmitters are set up near its summit. The leisure center ("base de loisir") at Baigura, on the road from Hélette to Louhossoa (in the commune of Mendionde), organizes paragliding activity on the northern slope of the mountain. The name "Baigura" is related to modern Euskara (Basque) "ibar" 'valley', "ibai" 'river' and "guren" 'limit' and means 'the end of valley'. Mount Baigura is the highest point of a small isolated pre-pyrenean massif inside the French Basque Country in the southwest