His death may have been an accident, but it was recorded in Ireland as a punishment for collaboration with the Vikings, who were harrying the West Saxons and briefly occupied Exeter in 876 before being driven out by Alfred the Great.

Philip Payton states that one must imagine that he drowned in the River Fowey, near King Doniert's Stone.

[4] The Polbrock Canal, approved by Parliament in the 1790s but never built, would have provided a link between the north and south coasts of Cornwall by joining the River Camel with the Fowey at Bodmin.

Of the remaining 7.5%, 2.6% is urban or built-up areas, 2.5% is mountain, heath and bog and the remainder is inland waters.

[6] The catchment area of the River Fowey covers a total of 41,800 acres (65.3 sq mi)[7] consisting of granite (in part kaolinised) on Bodmin Moor, Devonian slates and grits, and peat and valley gravels.

[7] The river runs through two Sites of Special Scientific Interest (SSSI), one of which is also part of a national nature reserve (NNR).

The Upper Fowey SSSI is a floodplain on the southern slopes of Bodmin Moor and is designated for its wet heath vegetation and herbaceous valley-floor mire communities.

[14] The Fowey to Mevagissey Passenger Ferry – a timetabled summer service leaving Whitehouse Slip.