You rent a drill from John Deer.
You surf there
You find Uxie in the cave in the middle of Lake Acuity.
There's A Cave Called Wayward Cave Under Bicycling Road,And That Where You Catch Gible.
You'll need Pokemon Sapphire inserted into the DS and go to either Lake Verity, Lake Acuity, Lake Valor, Mt. Coronet, Spring Path, or Turnback Cave.
In Pokemon Ruby, Sapphire, and Emerald, Snorunt can be found in the Ice Room of Shoal Cave. In Pokemon Diamond, Pearl, and Platinum, you can find it in Route 216, Route 217, and Acuity Lakefront using the Poke Radar. (However, in Pokemon Platinum, you just have to walk in the Tall Grass.)
there is no cave of time
The turn back cave in Pokemon Platinum is in Seodoff Spring near veilstone city
Well it's not really under lake acuity. You use the move surf and surf across the lake and you will find the cave...........
Hippopotas is located in the Ruin Maniac cave in Pokemon Platinum.
I think its Dark Cave, I have 2 platinum games.
you find them in the cave
giratina the Pokemon that's in platinum is found in wayward cave