The Ammerstol River is a small waterway located in the Netherlands. It flows through the province of South Holland and is known for its scenic beauty and tranquil surroundings. The river is part of a larger network of waterways that connect various towns and villages in the region. The Ammerstol River is popular for recreational activities such as fishing, boating, and cycling along its banks. It supports local wildlife and contributes to the area's biodiversity. The river also plays a role in the local ecosystem, providing habitats for various species of plants and animals.