Question

what is the Lost river

Answer 1

The Lost River is a unique biome. It is a massive, frigid cave biome located deep under the surface and is further divided into seven distinct sub-biomes. Entrances to the Lost River can be found in both Blood Kelp Zones, the Deep Grand Reef and the border between the Mountains and Bulb Zone.


It's a Film too...


I hope this Helps U
^_^

Answer 2

it's a movie, a game, districts in Canada and USA, a school, and a book...