The Gave d'Oloron is a river located in the southwestern region of France. It flows through the Pyrénées-Atlantiques department and is a tributary of the Gave de Pau. The river is approximately 90 kilometers long and is known for its scenic beauty, making it a popular spot for outdoor activities such as fishing and kayaking. The Gave d'Oloron originates in the Pyrenees Mountains and passes through several towns, including Oloron-Sainte-Marie. Its waters are characterized by a mix of clear streams and gentle rapids, providing a diverse habitat for various aquatic species. The river plays a significant role in the local ecosystem and economy.