Route

Route 11

Vermilion City to Diglett's Cave and Route 12. Drowzee is common here, and the gate upstairs trades a Dugtrio for your Lickitung.

Encounters

Entity	Types	Method	Levels	Rate	Time
Pidgey	Flying Normal	Grass	16–18	35%	any
Pidgeotto	Flying Normal	Grass	18–20	10%	any
Rattata	Normal	Grass	15–17	30%	any
Raticate	Normal	Grass	17–17	1%	any
Dugtrio	Ground	Trade	1–5	5%	any
Poliwag	Water	Good Rod	10–10	50%	any
Tentacool	Poison Water	Super Rod	10–20	90%	any
Drowzee	Psychic	Grass	15–19	24%	any
Horsea	Water	Super Rod	5–5	10%	any
Goldeen	Water	Good Rod	10–10	50%	any
Magikarp	Water	Old Rod	5–5	100%	any