Rusturf Tunnel is located east from Rustboro City you can also enter the cave from Verandturf Town.
The HM04 Strength can be found in Rusturf Tunnel in Pokemon Sapphire.
Go east of rustboro city.
It's in Hoenn region. You can play it on Pokemon Sapphire, Ruby, and Emerald
Go to the right of rustboro city, or the the left of Verdanturf Town. That is the cave you see.
East from Rustboro city you can find Rusturf Tunnel.
What cave?
the secret entrance to rusturf tunnel it is up on the mountain
On Pokemon Sapphire, you can find a skitty on route 116, near the Rusturf Tunnel, but it's very hard to find. You have about a 2% chance of finding one!
You get HM 8 first from Steven in Mosdeep City (in his house). You get HM 7 in the Cave of Origin (look kind of hard - it's dark in that cave.)
The Devon Goods can be easily obtained after defeating the Aqua Grunt in Rusturf Tunnel.
Yes, you go into Rusturf tunnel, from the cave entrance in Vernturf town.
the hm move strength is found in the cave Rusturf tunnel