English: Upload Wizard (general description of landmarks, interesting points, church, town hall, offices) photos of the scenery, the greens, hills, mountains) - Alfonso Castañeda Town Hall and surrounding downtown, centro, talipapa or chains of small town stores - Alfonso Castañeda, Nueva Vizcaya [1] (a 4th class municipality in the province of Nueva Vizcaya, [2] Philippines; latest census, population of 6,655 people in 873 households; politically subdivided into 6 barangays; [3] Coordinates: 15°47'45"N 121°18'11"E) - Alfonso Castañeda, Nueva Vizcaya municipality, third-level administrative division Coordinates: 15°53'57"N 121°20'9"E Map [4] [5] [6] Geographical location: Aurora, Region 4, Philippines, Asia Geographical coordinates: 15° 48' 13" North, 121° 18' 22" East) - and -- being watched by the majestic - Mount Guiwan[7] (Village of Pelaway, Alfonso Castañeda[8]) - Alfonso Castañeda, Nueva Vizcaya [9] - Alfonso Castañeda, Nueva Vizcaya municipality, third-level administrative division Coordinates: 15°53'57"N 121°20'9"E Map [10] [11] [12] Geographical location: Aurora, Region 4, Philippines, Asia Geographical coordinates: 15° 48' 13" North, 121° 18' 22" East); Mount Guiwan[13] (a mountain in the Sierra Madre[14] range in Alfonso Castañeda, Nueva Vizcaya, Philippines, probably the highest peak of Sierra Madre mountain range with a height of 1,915 meters above sea level according to NAMRIA topographic map) Underneath Mt. Guiwan, a tunnel that diverts water from the Casecnan River in Brgy. Pelaway to Pantabangan Dam in Nueva Ecija was constructed by the Casecnan Multi-Purpose Transbasin and Power project contracted by California Energy; beauty of the placid scenery of the waters from the dam[15][16] [17]; First Gen Hydro Power Corporation (FG Hydro) owns and operates the Pantabangan-Masiway Hydroelectric Complex (PMHEP); the Pantabangan and Masiway plants are cascading hydroelectric power plants located in Nueva Ecija. Commissioned in 1977 and 1981, respectively, the Pantabangan and Masiway plants are part of a multipurpose hydro complex that supplies irrigation water for the vast rice fields of Nueva Ecija.).