Stage1 - is at the posted coordinates. You should see a noticeboard for the Vogrie Park Railway (Eskvalley Model Eng. Soc.)
A few questions for you here:
Look at the green engine. Let A= the number of letters in the first name of its driver.
What is the name of the blue/grey engine? Let B= the number of letters in the first word of its name.
What is the name of the maroon engine? Let C= the number of letters in the first word and D= the number of letters in the second word of its name.
On to Stage2
You are standing at a tree which has its English and latin names shown. Let E= the number of letters in the second word of its latin name.
On to Stage3
You are standing at the trike. How many spokes does its front wheel have =F2
On to Stage4 (almost done!)
We had to bring you here as it's a new area in the park and we think it's rather lovely!! Let G= the number of small oak leaf seats you can see here.
The cache can be found at N55 51.AB(C-D) W002 59.EF(G-2)