It is an important water catchment area for the Benue River.

The water catchment area is spread across around the town of Bhigwan.

Attempts will be made to reduce pesticide use in water catchment areas.

The forests of the mountains provide the water catchment areas for the streams and rivers.

It forms the largest water catchment area in Penang.

Total length - 42 km, water catchment area - 513 km2.

The forest is an important water catchment area.

In 1952, afforestation started as a measure to protect the water catchment area.

This is now inaccessible as it is within the Dam's water catchment areas.

Mount Salak is a critical water catchment area for its very high rainfall.