Lost River Delta is a "port-of-call" (themed land) at Tokyo DisneySea in the Tokyo Disney Resort.

It presents an archaeological site in a tropical rainforest of Central America in the 1930s.

[1] Lost River Delta is the farthest "themed land" from the entrance of Tokyo DisneySea.

The landmark of this area is an ancient Mesoamerican pyramid.

The thrill ride Indiana Jones Adventure: Temple of the Crystal Skull, which is based on Lucasfilm's Indiana Jones film series, operates in the pyramid.