North West England at Wikipedia
(See also the book Vegetarian Guides - North of England)
Ambleside:
Fellinis!
A modern ‘Vegeterranean’ restaurant,
Zefirellis
Cockermouth:
Quince and Medlar
recommended in The Good Food Guide
Grasmere-Cumbria:
Lancrigg
Manchester:
Greens
recommended in The Good Food Guide
1847 The Vegetarian Bistro