6 Rue de la Vallée du Cast, 35380, Plélan-le-Grand
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This is supermarket parking at Super U, currently partly under construction with no clearly marked motorhome area. The ground is uneven and there are no bins, making it mainly a last-resort overnight stop. Free grey- and black-water disposal is available, while filling with fresh water costs 2€; the terminal was recently reported not to accept coins. Laundry is available nearby for 5€ per 9 kg, including detergent.
From travellers' reviews
Listing copied from our source, 2 months ago
Listing copied from our source, 2 months ago
On July 25, 2026, we wanted to fill up with fresh water at Super U. The terminal was defective and did not accept coins!
This is not a motorhome area; it is a supermarket parking lot, mostly under construction, with no designated area, unlike other similar car parks. There are no rubbish bins, the parking surface is uneven—in short, a last resort, as it was for us. There is a paid water service.
Thanks to Mr. the owner of Hyper U for the camper spaces. It is not the best spot, but ideal for shopping and emptying tanks. Perfect for one night on the way through. THANK YOU! Others should follow your example.
Thanks to Super U for this service area.
Thanks to Super U for allowing us to empty our tanks for free and fill up with water for €2. Right next door, laundry is available for €5 for 9 kg of clothes, including detergent.
Perfect for filling with water and emptying tanks. Clean. A stopover spot three minutes away: Tregu pond.
Thanks to this supermarket for allowing us to park; €2 for a full tank of water.
I was able to empty the gray and black water tanks. But I did not try filling up, so I don't know whether that works.
Very good, but no services, which is a shame. When I park, I use up my allowance. If you pass through, stop here on Saturday evening, because on Sunday there is the Plelan market—a wonderful culinary experience. We enjoyed three days of food. My wife is a little crazy, but I don't regret it.
Hello rapidodu35330. There are places with card payment, and you can use them whenever you want. For example, in Mayenne there are Hyper U and Martineau.
I would like to reply to Isabelle53: it is entirely normal. No station supplies LPG outside opening hours; it is strictly forbidden for safety reasons.
Very practical. But it is a shame that there is no card-payment terminal for LPG. It is impossible to fill up outside the cashier's opening hours.