New Mauville (Pokemon Ruby)

[trex]

Can someone one tell me how to get to that navigator in New Mauville,
I just can't find it, I've tried gamefaqs but its not precise enough, please can someone help.

[trex]

I've made it all the way to Elite 4

[Lord_satan_1]

u get the poke' nav in rustburo city not new muaville. We existed from all eternity and behold we are here and we shall exist till the end of time for our being has no end.