Go past the Watchtower and head towards the Forest/Mines, you will see Ray, ( Nr Gate Leading to the Mine.
go past the gate on by the forest and turn left by the forest
Ray, Go through the broken Gate Leading to the Mine.
Go through the broken gates towards the forest, take the left fork in the road, this will lead you to the mine.
Puzzle 66, The Locked Box, Location: Mine Entrance. Answer = Turn the Red dial to numbers 2,7,1, and 4.
Ray can be seen walking on the path leading away form the Forest and the Mine area, below is the tea he prefers. Ray, ( Nr Gate Leading to the Mine) Likes Tea No 10.
Ray ( Nr Gate leading to the mine) Likes Tea No 10,Which is: Number 10. Cayenne Twilight and it Contains: Dream Fluff Mild -Joy Root Clover - Peppercherry Spicy.
1; Layton and Luke's hotel room 2; Litter filled alley 3; East alley 4; Museum 5; Tower ground floor 6; Mine entrance 7; Dark forest 2 8; Granny Riddleton's shack 9; Machine Room (Herzen Castle)
Puzzle No 78: A Maze of Doors, Location: Mine Room Answer = There are five doors at the bottom of the picture, circle the middle door just above the bottom line. Please see the related link below for a walkthrough of this puzzle.
You discover a diary of an old miner which leads you to clues of the Herzen Castle. Meanwhile, a strong gas has leaked out of the mine for 50 years and is causing Professor Layton and the others to have hallucinations and see Folsense as a brightly-lit, well-kept place
Ray, ( Nr Gate Leading to the Mine) Likes Tea No 10. 10, Cayenne Twilight Contains: Dream Fluff Mild -Joy Root Clover - Peppercherry Spicy. Dream Fluff = Relaxing - Clover = Earthy - Peppercherry = Uplifting.
Go through the Broken Gate to where Ray is stood Near Gate Leading to the Mine, take the left turn at the fork in the path.
Puzzle 88, The Frogs Path, Location: In the Mine, Machine Room. Please see the Related link below for a walkthrough of puzzle No 88.