Pallet Lake

Pallet Lake lies on. Despite of sharing the name "Pallet", the lake doesn't share any boundaries with Pallet Town. It is introduced first time in.

Part Red & Green
Shortly after and  set off their journey, Greta encounters a pack of Poliwag living near the lake when she washes the dishes. The pack is led by a master until a Poliwhirl appears and challenges the leader Poliwag to a battle. Poliwag loses the battle and is banished, giving his throne to Poliwhirl for proving himself as the strongest. Redwald doesn't let go of the situation and trains Poliwag personally for three days. But Poliwag can't be strong enough to surpass Poliwhirl and is banished again. As a result of that, Redwald offers Poliwag to join his team and be trained for an entire season until the end of Pokémon League. In the end, he could return and take his throne back. Poliwag accepts it and joins Redwald's team, leaving the whole pack behind.