The Pelorus River is located in the Marlborough region of New Zealand. It flows for approximately 30 kilometers, starting in the Richmond Range and emptying into Pelorus Sound. The river is known for its clear waters and scenic surroundings, making it a popular spot for outdoor activities such as fishing, kayaking, and hiking. The river's catchment area is home to diverse flora and fauna, contributing to the region's natural beauty. The Pelorus River is also significant for its cultural heritage, as it has been an important resource for the local Māori communities for generations.