The Sal Plains constituted a grassland region on the planet Aaloth, which served as a Twi'lek colony world. The plains were abundant with spice spiders, creatures that produced webs composed entirely of glitterstim.
The Sal Plains were featured during a flashback sequence in the audio drama The High Republic: Tempest Runner, released in 2021. This drama was authored by Cavan Scott and presented with a complete ensemble of voice actors. The precise spelling of "Sal Plains" was verified through the script book of the same name, published in 2022.