From Roader's Digest: The SABRE Wiki
|From:||St Boswell (NT591307)|
|Length:||6 miles (9.7 km)|
The B6404 is a secondary route in the Scottish Borders
It starts at the Buccleugh Arms near St. Boswells in the border area signed St. Boswells going along Main Street. On leaving the village Capilaw Road is followed and open countryside. The River Tweed is crossed at Mertoun Bridge.
No villages are passed and the road ends at the B6397