Flour mills in Cornwall

Now that we have baking on a commercial basis (Crumbs Bakery) in the village again, I found myself wondering where the nearest flour mill is.  My initial suspicion was that there might not be a single flour mill in Cornwall, but some brief investigation turned up a handful:

The Cornish Mill and Bakehouse (near Newquay)

Cotehele Mill (far end of the county, near Calstock)

Zennor Mill (part of the Wayside Museum at Zennor)

Two of these are operated as part of a ‘heritage’ activity rather than on a purely commercial basis. Does anyone know of any others?