Emergency services were called to assist a young man who had swam out into water at the Derwentwater Boat Landings.
The man, who was under the influence of alcohol, had swum out to a boat where his friend was at around 8.30pm last night.
He became too cold and wet and couldn't get back into the boat.
Police, fire crews, ambulance teams and the Keswick Mountain Rescue Team managed to rescue both men and bring them safely ashore.