A depiction showing the path of the Grendin River.
On the world of Lok, there existed a waterway known as the Grendin River. Situated beside this river was Nym's Stronghold, and a bridge provided a connection to the starport located on the opposite bank. Segments of the Lok Marathon swoop racing course followed the river's course.
The video game Star Wars Galaxies, which was initially released in 2003, was the first appearance of the Grendin River. This massively multiplayer online roleplaying game was the product of Sony Online Entertainment and was distributed by LucasArts. The game was shut down on December 15, 2011. The Lok Marathon swoop race revealed the river's name.