It is in the northern outskirts of Daventry, about 2 kilometres (1.2 mi) east of the village of Braunston.
There is room for two 7 feet (2.1 m) beam boats to pass.
The tunnel passes underground alongside another Grand Union Canal feature, Drayton Reservoir, from which the feeder enters the canal at the east end of the tunnel.
Media related to Braunston Tunnel at Wikimedia Commons
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