Did you do Black Tooth (Dent Noir) or Gournier? Black tooth is on a right hand bend, where the Pompiers are stationed, just before Gaud Bivi site, whilst Gournier is on a sweeping left hand bend that then kinks to the right (again Pompiers are stationed there) and the Gournier Bivi site is on the LHS. They're the 2 worst ones, but there are a couple of others that I really like, but for the life of me can't remember the name of...
What people don't realise is that there are only a few routes out of the gorge; Gaud, Gournier, La Mas and Nudist are the 3 main egress points once you are in the gorge, until you get to the end nearer British Airway's (I can't remember the French name) when it starts to open up again.
One event that sticks in my memory was when I was guiding I ended up giving a Pompier one of our canoes to evac someone as they'd damaged an ankle; as we carried a lot of spare kit (PFD's and paddles) we could safely lend them the boat, put the kids in with an instructor and carry on our way. Having seen the Pompiers walking in to the casualty with all their kit (I'd say it was at least 8km from the end of the main bit of the gorge, and no idea where they'd left their truck...) it was only fair! Another, more sombre one, was hearing that someone had got trapped in the approach to the Pont D'arc wave train, under one of the rocks at the top... that didn't end well... There's a reason why all whenever I paddle on white water I wear a helmet and minimise my snag risks as much as I can.
Oh, and the view from the top of the hill at Gaud Bivi is pretty good:
And me playing at Pont D'arc:
I stopped (professionally) guiding on the river as I loved the area too much, and guiding on it 6 days per week for months on end started to spoil it... Since stopping the guiding, I've paddled it another 2 times recreationally, and that last photo was when I organised for the canoe club to go down. We took over one area of the Camping Mondial, on the river right bank, over the bridge from Vallon Pont D'Arc, with 6 or 7 car loads of us down there.
If people do want to paddle the river, and know what they are doing, the better time for river levels is April/May/June; July and August can be hit and miss depending on rain fall, and they do close the river to individuals, only allowing professionally guided groups when it is too high.
(OK must remember I'm supposed to be talking about cars here, not kayaking and canoeing... Does my user name give it away that I enjoy kayaking?!
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. We got a load of wine near valence a couple years ago. At Tain l'hermitage near touron Rhone. There is a wine co-op where a load of local vineyards sell wine and you can taste lots different wines and by bottles in boxes for easy transport 
