Asheville, North Carolina's Harsh Realm channel the city's fertile underground into death-doom of considerable weight — slow tempos, death metal's brutality, and a mournful undercurrent that makes the music feel genuinely funereal. Active since 2019.

Newly formed in Cincinnati in 2024, Haruspex Chants mine death-doom's most ritualistic qualities — the genre's glacial pacing and suffocating atmosphere rendered with a deliberateness that befits a band whose name evokes ancient omen-reading. An auspicious debut presence.

Salt Lake City's Harvest of Ash bend doom and post-metal into something expansive and unhurried, with the wide-open quality of Utah's landscape seemingly built into their sound. Since 2020, they've occupied the contemplative, atmosphere-heavy end of the spectrum.

Formed in Denver in 2024, Hash Bong deal in the kind of slow, hazy punishment that sits at the intersection of doom and stoner metal. Mile High lethargy runs through every riff, thick with fuzz and deliberate tempo.

Hashishian traffic in a slow-moving collision of drone, doom, and stoner metal that feels less like a song and more like sinking. Formed in 2023, the project leans into immense, meditative weight, letting each tone hang in the air long past its welcome.

Denver's Hashtronaut have been navigating the outer reaches of stoner and doom metal since 2020, blending cosmic heaviness with riff-forward songwriting. Their sound evokes weightlessness achieved through sheer volume — fuzz as propulsion.

Chicago's Hate draw from a broad well of extreme subgenres, weaving thrash, sludge, and doom into a dense, shifting sound since 2013. The Midwest backdrop gives the music a cold, industrial weight that fits the trio of genres like a rusted glove.

Minneapolis sludge and doom outfit Hatelimace wallow in the slow, corrosive weight of their craft, piling on suffocating riffs and feedback-caked heaviness that feels like the city's long winters given physical form.

New Orleans sludge/doom outfit Hawg Jaw embody the Crescent City's grimy, humidity-soaked approach to heavy music — slow, churning, and perpetually on the verge of collapse in the best possible way. Since 2009 they've been one of the Bayou scene's more viscerally satisfying acts.

California stoner/doom outfit Hawnt deal in slow, narcotic riffs draped in reverb and psychedelic haze, the kind of music that turns a room dim and heavy. Active since 2015, their approach leans into the occult-tinged desert rock lineage without losing its own ghostly character.

Minneapolis stoner/doom outfit Haze Gazer emerged in 2021 with a sound that splits the difference between desert-baked fuzz rock and proper doom metal weight, its slow tempos and thick atmosphere shaped by the long, dark Minnesota winters as much as any California sun. The result is northern heavy psych at its most enveloping.

Baltimore's Haze Mage conjure stoner/doom with a genuine sorcerer's patience — unhurried riffs stack over glacial rhythms while the vocals drift through the fog. Active since 2017, they're part of a vibrant Maryland heavy scene that has long punched above its weight.

Boston's Head in Hand navigate the slow-motion grief of sludge/doom/post-metal, crafting music that moves at the pace of catastrophe and carries the weight to match. Since 2020 they've contributed to a New England extreme scene that has increasingly embraced heavy, meditative forms.

Chico, California's Hearses combine drone, sludge, and doom into a crushing slow-motion procession built from sustained dissonance and mountainous low-end pressure. Since 2021 they've inhabited the unhurried, suffocating space where all three genres converge.

South Carolina's Heathen Bastard have been brewing a potent mix of stoner, sludge, and doom out of Florence since 2013 — grimy, low-slung music with Southern humidity baked into every riff. They occupy the nastier, swampier end of the American heavy underground.