Route 2 (East)

A Poké Ball lies on Route 2's east side (Cut needed to enter), 8 tiles south of the east gate door and 8 north of the Cut tree.

A Poké Ball lies on Route 2's east side (Cut needed to enter), 2 tiles south of the Cut tree and 18 south of the east gate door.

Catch 10 different species, then talk to Prof. Oak's Aide inside the east gate building (4 north, 2 west of its door) for HM05 (Flash).