This is the last lock on the currently navigable western section of the canal and it is located close to the old town of Carhaix-Plouguer.
The navigable sections of the Fraser River proved the easiest and cheapest route of travel.
Vines occupied a rapidly expanding place in the local economy, the River Dordogne helped to promote the wine trade along its navigable sections.
A marina, built at the end of the navigable section, allows summer visitors to moor overnight in Llangollen.
The river's navigable sections were also essential to the success of the Hanseatic League and much trade was carried on its waters.
It contains the final five weirs before the navigable section is reached.
There are 6 bridges over the navigable section carrying rail and automobile traffic.
The navigable sections are now owned by the National Trust.
A new basin at the top of the locks marks the end of the navigable section.
Upon completion of the causeway, a punt operated across the deep, navigable section of the river, but could not cope with traffic demands.