Police were called to a property at Outgate, Ambleside last night at 10:00 pm, after receiving reports that a woman had been assaulted in the property.
An investigation was launched and a man aged 48 from the Ambleside area was arrested nearby on suspicion of murder and remains in police custody.
Police are working to formally identify the woman.
More top news
A 34-year-old man has been jailed for 16 months, for possessing the most serious class of child porn - with some victims aged two-years-old.
A family from Dumfries say their lives have been turned upside down due to a number of failings made by staff in Ward 7 at DGRI.
Sunshine and showers on Saturday, occasionally heavy with thunder. Better day Sunday