How do you get to union cave in soul silver?

Answer 1

When you're going from violet city to azalea town you keep going south until you reach an entrance.

1 Go left.

2 go down

3 go right

4 go down again

5 go right

6 go down(keep going until you find a wall)

7 go left

8 go down

9 go left

10 go down

11 go right

12 go down