Safari Zone, To go in pay £500 to the man to let you in
You can see them in most waters, lakes, or seas. You can also find them in the Pastoria's Great Marsh and catch it with a rod or find it in muddy grass by a small pond.
You can find Pokemon in grass, caves, fishing or surfing.
Grass will move, walk into grass but it will wear off after a while.
surfing, in tall grass, or in a cave.
From grass in Valley Windworks.
You can find one on route 230 in the grass.
Go to the northeast of Oreburgh city. Take the path north, and you will find a sign, then tall grass turn left before the tall grass and there will be a boy there. That's where the muddy slope is.
You can find Gloom in the patch of grass by the resort area.
You would walk around in tall grass. You can walk in tall grass , walk in caves and surf on water.
Use the poke radar and grass will spark yellow but if a shiny it will be blue.
AnswerIn Pokemon Pearl, Sentret can be found on Route 202. However, you must have first obtained the National Pokedex and use the Poke Radar in the grass to find this Pokemon.
You can't find Aron in Pearl, you must trade from D/Pt/R/S/E.