The cascade of the Tuffière

Enigma difficulty :
Terrain difficulty :
Length : 2h

Departure at the rest house of the Tuffière:
47°04.143' N - 006°12.279' E

All over the circuit, you will discover some of the natural treasures hidden...

Head toward the junction with the following coordinates:
47°03.892' N - 006°11.854' E

A notice board indicates that you are in a ZNIEFF.
The enigma is what is a ZNIEFF!!!

Let's help you, it's a Site of Special Wildlife Interest.
Before steping into this environment, you have to discover the first clue:
Find what Courbet's trout like to eat.


Now, go discovering the blue spring: N 47°03.305 - E 006°11.180'.
The spring is not the only one to be blue, look for the other element which is blue as well? This will be the second clue.

From now on, you're not so far from the Tuffière:N 47°03.181' - E 006°11.189'.
The importance of this cascade lies in its vegetal base. Here, no spectacular waterfall. On the contrary, the water flows slowly in the hollow of large basins, thus allowing the development of a mixture of hard water and moss . This association is called a "Tuffière", but what's the name for this mixture?

To help you, you can go back to the previous notice board. If you search well, you will find the answer and the third clue.

Now, you have three clues. They will help you to find the cache. Write them successively in the right order. Change the following logical sequence:
A = 3; L = 8; T = 13

In order to decipher this code:
47°0A.LLC’ N
006°CC.LTH’ E

The cache is waiting for you in the course of the flow.

This cache is part of the circuit « in the footsteps of Gustave Courbet ». You will be given a decoding key at each of the 4 steps, to get to the final cache. Write down the steps and punch this document: PDF Sur les traces de Gustave Courbet. You will be sent a gift by the local tourist authority according if you complete all the steps.