The secret entrance to Wayward cave under the bike road. where you catch gibble
insert leaf green into the cartridge slot and you can find sandshrew in wayward cave
In the caves.
You have to get sandshrew in waywards cave but its also pretty rare to get him in there
You can only find Sandshrew in Diamond if you also have the GBA game LeafGreen. When you've inserted LeafGreen in the GBA slot, you can go to Wayward Cave. You have a 8% chance of encountering Sandshrew there and it will be level 16 or 17.
You cannot find Sandshrew in Pokemon Red. Sandshrew appears as an exclusive Pokemon in Pokemon Blue but can be traded to Pokemon Red. In Pokemon Blue Sandshrew appears on Routes 4, 8, 9, 10, 11, and 23.
If you want to find Sandshrew in Diamond, you need the GBA game LeafGreen. You can encounter Sandshrew in the Wayward Cave, when you've inserted LeafGreen in the GBA slot of your DS. The Sandshrews there will be either level 16 or 17 and you have a chance of 8% to encounter Sandshrew.
You can not catch Sandshrew in Pokemon Firered. It is Leafgreen exclusive. Firered gets Ekans instead.
sandshrew evolves at level 22
You can't you have to evolve a sandshrew
You need to breed sandslash
Sandshrew is a purely Ground-type Pokemon.
you can only do it by having GBA slot leafgreen and going to wayward it is rare to find but you will find it eventually