Lavondyss also titled Lavondyss: Journey to an Unknown Region is the second fantasy novel of the Mythago Wood series written by Robert Holdstock. Lavondyss was originally published in 1988. The name of the novel hints at the real and mythological locales of Avon, Lyonesse, Avalon and Dis; within the novel Lavondyss is the name of the remote, ice-age heart of Ryhope wood.
Despite having a new primary character, Lavondyss is a sequel to Mythago Wood because several characters provide links between the novels; the events in Mythago Wood set into motion events that drive the protagonists' actions in Lavondyss. Reading the novel Mythago Wood will illuminate Lavondyss for first time readers.
Lavondyss is noteworthy because it has both won and been nominated for fantasy literature awards.