Colne Brook is a river that flows through Buckinghamshire, England. It is a tributary of the River Colne and is approximately 25 miles long. The river rises in the Chiltern Hills and flows through several towns and villages, including Amersham, Chalfont St Peter, and Uxbridge. The river is an important habitat for wildlife, including otters, water voles, and kingfishers.
The Colne Brook is also an important source of water for the local area. It is used for irrigation, drinking water, and industrial purposes. The river has been subject to pollution in the past, but efforts have been made to improve water quality and protect the river's ecosystem. The Colne Valley Regional Park, which covers over 40 square miles, includes the Colne Brook and is a popular destination for outdoor activities such as walking, cycling, and fishing.
The Colne Brook has played an important role in the history of Buckinghamshire. The river was used for transportation of goods and materials, and several mills were built along its banks. The river also played a role in the development of the local economy, providing power for industries such as papermaking and brewing. Today, the Colne Brook remains an important part of the local landscape and is valued for its natural beauty and recreational opportunities.