Radagast lived for much of his time in Middle-earth at Rhosgobel in the Vales of Anduin, on the western eaves of Mirkwood, between Carrock and the Old Forest Road, near the Gladden Fields, its name deriving from Sindarin rhosc gobel meaning "brown village".
Yay! Someone finally did this. I love your landscaping, though it is a bit suddy, and your Dutchlike house is nicely done. I can't wait to see Peter Jackson's take on this in the Hobbit movie! Nice work.