Wren Elliot Kosinski (born 2001), known professionally as Ghost Mountain, is an American rapper, singer, songwriter, musician, and record producer. He gained notoriety in 2019 after co-founding, alongside childhood friend and rapper Sematary, the record label and rap collective Haunted Mound. Since 2019, he has released one solo mixtape, two collaborative mixtapes, and a collaborative extended play, all with Sematary.
Career Wren Elliot Kosinski was born in Northern California in 2001. He grew up around Sacramento and had stated he had a love for music from a young age, influenced by bands such as Modest Mouse and The Unicorns. Further, he has stated that until he met Sematary, whom he met in middle school, he had been unable to make music of his own. His name, Ghost Mountain, came from a line in a song by The Unicorns off the album Who Will Cut Our Hair When We're Gone?.
In 2019, along with Sematary, he formed the rap collective Haunted Mound, notable for its horrorcore and witch house-influenced production and aesthetic. In 2021, after releasing the mixtapes Grave House and Hundred Acre Wrist Hosted by DJ Sorrow with Sematary, he would depart from Haunted Mound and erase his catalog, stepping away from music to focus on education. He would remain in silence until September 2024, when he released the single "Apollon". Moreover, releasing his debut solo mixtape October Country on March 7, 2025, via Haunted Mound, notably fusing genres such as trap, folk, and dance along with horrorcore and witch house. The record was executively produced and features Sematary on multiple tracks. He would embark on a tour with Haunted Mound following the mixtapes release. In 2026, Ghost Mountain opened for experimental rock band The Garden.
Discography
Mixtapes +List of mixtapes, with release date and label shownTitleDetails Grave House Released: August 16, 2019 Re-Released: April 18, 2025 Label: Self-released (Re-released under Haunted Mound) Format: Digital download, streaming, CD Hundred Acre Wrist Hosted by DJ Sorrow Released: July 31, 2020 Re-Released: April 18, 2025 Label: Self-released (Re-released under Haunted Mound) Format: Digital download, streaming, CDOctober Country March 7, 2025 Label: Haunted Mound Format: Digital download, streaming, CD, LP
Extended plays +List of extended plays, with release date and label shownTitleDetails The Wagoner EP Released: April 11, 2025 Label: Haunted Mound Format: Digital download, streaming Note: Its songs were originally released as standalone uploads and leaks in 2020, but was not officially released as its own EP until 2025.
Singles
Coil (2019) Apollon (2024) Dark Harvest (featuring Sematary) (2024) Donkey-Boy (featuring Olan Monk) (2025) Dyer Lane (featuring Sematary) (2026) Outlast (2026)
Featured singles
DIE4U (Eternity Chaos featuring Ghost Mountain) (2025) NOTHINGG (C1TRVS featuring Ghost Mountain) (2026) GLOOMROOM (Sematary featuring Ghost Mountain) (2026) Winchester (Buckshot featuring Ghost Mountain) (2026)
References