* Route 3: Sandslash appears in the grass here, but only after you have defeated Brock.
* Route 11: Sandslash is also found in the grass on Route 11, but only after you have defeated the trainers on Route 10.
* Route 16: You can find Sandslash here, but only after you have defeated the trainers on Route 15.
* Route 18: You can find Sandslash in the grass here, but only after you have defeated the trainers on Route 17.
* Route 20: You can find Sandslash in the grass here, but only after you have defeated the trainers on Route 19.
* Route 22: You can find Sandslash in the grass here, but only after you have defeated the trainers on Route 21.
* Route 24: You can find Sandslash in the grass here, but only after you have defeated the trainers on Route 23.
Note: Sandslash is a ground type Pokemon, so make sure you have a Pokemon with a type advantage to make catching it easier.