Date of your route : Jul 27, 2024
Reliability of the description : ★★★★★ Very good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : Yes
As for parking, the best option in my opinion is to park in the car parks just before or directly at the Col de Larche.
please note that the access road is reserved for the shuttle bus between 10 a.m. and 5 p.m., which can be inconvenient.
As for hiking, I was surprised, almost stunned, to see a sign saying that it was forbidden to feed the marmots 
That doesn't make sense, does it?
Tourists walking with dogs, which is strictly forbidden
In short, the place is magical, with the stream winding through the greenery.
The lake is clearly overcrowded, and you can see the marmots, which aren't very shy. I think I understand why... it's almost like being at the zoo...
To escape the crowds, we pushed on to Lac de Derrière la Croix to find the peace and quiet we were looking for and get lunch out of our bags...
There's a bit of a climb, but it's worth it.
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