Where is mount chimney in Pokemon sapphire?

Answer 1

If you look in you PokeNav, select HOENN MAP. Move the cursor over Lavaridge town. Press the right arrow on the D-pad. Press it again. Now press up once. Now the description should be Mt. Chimney. You can see that the map shows elevation levels. Dark green spots are low, and pale yellow spots are high. Mt. Chimney is a spot of yellow, and it's 2 by 2 map squares wide. To get there you need to take the cable car on Route 122, right outside the Fiery Path.

Answer 2

If you go to Route 112, near the Fiery Path, you will find 2 Magma Grunts blocking a building. You must go to Meteor Falls, which will take you through Northern Route 111, Route 113, Fallarbor Town, and Route 114. There are hardly any divided paths in those areas, it should take you right where you want to go. After completing the events at Meteor Falls, head back to Route 112, and the Magma Grunts will be gone. Go into the building they guarded and take the cable car up to Mt. Chimney.