Artist's rendition of a segment of the River Tethys

The River Tethys is a massive interplanetary waterway, comprised of many sections located on different worlds and connected via farcaster. It, along with the Grand Concourse, is considered one of the greatest tourist attractions in the Hegemony.

Worlds Visited


The River Tethys as depicted in the cover of Endymion.

The following is a list of worlds known to house sections of the River Tethys:

See Also


  1. 1.0 1.1 1.2 1.3 1.4 1.5 Endymion, 1995, Ch. 4, 29-30
  2. The Fall of Hyperion, 1995, Ch. 32