This turn-off is sign-posted to Salthouse
This is all heath
This is woodland
You need the Cley Road out of Holt.
(It starts beside Barclays Bank and is called 'New Street' at
Map showing the way through Holt to Salthouse and The Old Bakery (it's about three miles)
(It prints OK but the details in Holt are a bit small to see, especially while driving!)