Translation of wählerisch

Mr. Chang informed me that you have a customer that requires similar applications to what my customers have here in Switzerland. I am planning my next trip and I will consider visiting you too.
I almost forgot to tell you, that the water was brown, despite of its name... Anyway, as I was already close to my next destination I went and consulted with a tourguide of Austrian travelers.
She was a very cute twenty six year old woman from the area, had a perfect English and could be understood well. She told us to put on good shoes and we started walking towards the valley.