Below is a guide on the locations of the 8 Digletts in the Forest of Focus.
1. Next to a tree on the other side of the first bridge you come across upon entering the forest from the Soothing Wetlands
2. From the previous Diglett, keep following the path past the tall grass and take the first available left to find a dead end with a berry tree. The Diglett will be in this area.
3. Behind a den at a dead end overlooking the river near the entrance to the Training Lowlands
4. On the western path about halfway between the two bridges
5. On the western path at the base of a tree
6. On the western path next to a berry tree in a patch of red flowers
7. Near the second bridge in a patch of red flowers
8. On the western path along the water near the first bridge you come across upon entering the forest from the Soothing Wetlands
Click here for the next guide on the locations of the Digletts in Training Lowlands!