Rivers and Lakes are environments commonly seen in the Castlevania series. They are characterized by forcing the hero to traverse them either on boat, or perhaps on something more rustic, like a log. They usually lead the hero from dry land to a murkier place, like an underground cavern. Their waters are generally infested by Mermen and other creatures.
In some instances, the Ferryman can be encountered awaiting at their shores, ready to take any adventurers to their destiny... for the right price.
- Castlevania II: Simon's Quest - Dead River, Yuba Lake
- Castlevania: Rondo of Blood - Fortress of the Water Demon / The Final Divergence
- Castlevania: Legacy of Darkness - Foggy Lake
- Castlevania: Lords of Shadow - Oblivion Lake