The starting point is at the public car park next to the dance hall on Avenue William Ponty in Rochefort;
(S/E) Set off in the opposite direction to Avenue William Ponty, go through the gate in the town ramparts and turn left. Walk alongside ‘la vieille forme’ for a short while – the oldest dry dock in Europe, built under Louis XIV.
Turn left onto the wooden walkway overlooking the Charente at the foot of the ramparts (graffiti). Please note: this is a narrow walkway that ends with a step.
(1) After the step, head towards the swing bridge that closes off the entrance to the commercial harbour. Cross the bridge and continue along the cycle path on the left-hand side, separated from the road. The harbour is still in operation.
(2) About a hundred metres before the radio tower, turn right onto Rue de Fichemore. At the end of the street, cross the supermarket car park diagonally. Watch out for cars!
Leave the car park and follow the cycle path on the right, which is separate from the road. Cross the level crossing. Carry on straight ahead.
(3) At the roundabout, take the second right, then continue along the cycle path which goes uphill (still on the right and separate from the road) until you reach the next roundabout.
(4) Leave the busy road behind by continuing straight on down a street that leads into a residential area of Tonnay-Charente (cycle path marked on the road). Head down towards the centre of Tonnay.
(5) Before the roundabout, near the church, turn right onto Rue Bertrand Richard, follow it along the back of the buildings, then turn right and cross the level crossing. Near the Charente, turn left and follow the old quays of the port of Tonnay-Charente. A few cargo ships sometimes moor further downstream near the cranes.Enjoy the view of the suspension bridge and head towards it along the riverbank. Pass underneath it and turn left immediately at the roundabout.
A short but very tough climb (low gear, high gear ratio…) to reach the start of the bridge.
At the top of the hill, turn right and cross the bridge. There’s a lovely view of the surrounding countryside.
At the end of the bridge’s descent, take a sharp right-hand hairpin bend and head towards the Charente.
(6) Before turning left onto the small tarmac-surfaced Route de Marais, take a look under the bridge to see its distinctive ribbed vault architecture.
Drive along the small Route de Marais for about 2.5 km, cross two canals and reach a three-way junction.
(7) Carry on to the right towards La Chaboterie on a wider road, which is very well tarmac-surfaced and has very little traffic.
(8) Turn left and follow the canal.
(9) Ride past the Rochefort urban community’s water treatment plant, which looks a bit like a miniature Charente-style Guggenheim.
Continue for a further 3.5 km or so, cross the Gardette Canal (signposted) and ride past the hamlet of Les Grèves on your left.
(10) After the hamlet of Les Grèves, at the bend where the road curves to the left, take the path leading uphill to the right (there’s no signpost in this direction, but there is a cycle route sign in the opposite direction). Enter the Renaissance district via Rue du Tonkin.
(11) At the end of the street, turn right and, at the roundabout, turn right again towards the Martrou Transporter Bridge, visible in the distance. Continue right at the next junction, onto Rue du Transbordeur, and reach the bridge. Make a return trip to the right to collect your tickets at the Musée des Ponts (which can be visited free of charge).
(12) On your return, cross the transhipment bridge then turn right onto the path that runs alongside the Charente to the three dry-docking slips (Napoleon III and Louis XV).
(13) Go round them on the left and return to the path along the banks of the Charente.
(14) Walk past the Corderie Royale and then along the Charente, keeping straight on.
(15) Cross the lock that closes off the marina via the footbridge. If the lock is open, go round the basins on the left, but it won’t stay open for long.
Follow the Charente and return to the starting point via the Vieille Forme (S/E).