The River Brosna is a river located in the midlands of Ireland. It flows through counties Offaly and Westmeath, eventually joining the River Shannon, which is the longest river in Ireland. The Brosna is approximately 50 kilometers long and is known for its scenic beauty and rich biodiversity. The river is an important part of the local ecosystem and supports various wildlife species. It also has historical significance, as it has been a vital waterway for transport and agriculture in the region. The surrounding areas offer recreational opportunities, including fishing and walking trails along the riverbanks.