The Zêzere River is a significant waterway in central Portugal, flowing for approximately 120 kilometers. It originates from the Serra da Estrela mountain range and eventually merges with the Tagus River near the town of Constância. The river is known for its scenic beauty and is surrounded by lush landscapes, making it a popular spot for outdoor activities. The Zêzere River plays an important role in the region's ecology and economy. It supports various wildlife habitats and is utilized for hydroelectric power generation. Additionally, the river is a favored destination for fishing, kayaking, and hiking, attracting both locals and tourists.