The Amazing Highlands Escapade is a 3-Day, 2-Night tour ( Can be customized to 4D3N) by Travel North Philippines.
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Travel North Philippines offers tours around Northern Philippines - Ilocos, Sagada, Pangasinan, La Union, Zambales
Discover Butuan City — where heritage meets highlands!
San Roque Dam: Overview
📍 Location: San Manuel, Pangasinan, Philippines
🌊 River System: Agno River Basin
🎯 Purpose: Flood control, irrigation, hydroelectric power generation, and water supply
San Roque Dam receives water primarily from the Agno River, one of the largest river systems in the Philippines. Its key tributaries include:
Ambuklao River – upstream in Benguet
Binga River – source near Itogon, Benguet
Upper Agno River – the primary channel flowing from the Cordillera mountains
Tuel River – a contributing tributary within the watershed
Ipo River – a smaller tributary joining the main Agno stream
These tributaries converge and flow into the Agno River, which is dammed at San Manuel to create the reservoir for San Roque Dam.
Once stored in the dam, the water is utilized or released through various outlets:
Releases excess water during heavy rains to prevent downstream flooding.
Flows into the lower Agno River, eventually reaching Lingayen Gulf.
Supports irrigation for around 708 km² of agricultural land in Pangasinan, Tarlac, and Nueva Ecija via the Agno River Integrated Irrigation System (ARIIS).
The dam has a capacity of 435 megawatts, supplying electricity to Luzon Grid.
Water passing through turbines is released back to the river after generating power.
Regulates water supply downstream, which may be used by local communities and industries along the Agno River.
The San Roque Dam watershed covers parts of Benguet, Nueva Vizcaya, and Pangasinan, and is part of the Upper Agno River Watershed Forest Reserve—crucial for maintaining water quality and supply.
