From the rural western Massachusetts town of Cummington, Mosslung fuse funeral doom's paralyzing slowness with black metal's icy atmosphere and ambient drone, creating music as desolate and overgrown as the New England woods surrounding them.

Cincinnati's Moth Priest bring a ritualistic weight to stoner/doom metal, formed in 2021 with a sound that favors glacial tempos and hazy, amplifier-worship aesthetics — part of a quietly active heavy underground in southern Ohio.

Seattle's Mother Crone run a volatile mix of stoner grooves, doom weight, and thrash velocity, formed in 2015 in a city with deep underground metal roots — a band that treats heavy music as something that must also move fast.

Huntington, West Virginia's Mother of God operate at the extreme slow end of drone/doom metal, a project that emerged from a region with genuine economic bleakness and channels that weight into suffocating, near-static compositions.

Indianapolis death/doom act Mother of Graves have been one of the more compelling newer voices in melodic death-doom since forming in 2019 — their sound draws on the Finnish tradition of grief-soaked melody without merely imitating it.

Chicago's Motherless are a brand new entity formed in 2025, working in experimental doom/sludge territory that pushes against genre convention — early activity suggests an interest in texture and dissonance over conventional song structure.

Lexington, Kentucky's Motherplant cultivate a slow-burning psychedelic doom sound that leans as heavily on hazy, mind-bending atmosphere as it does on crushing low-end weight. Formed in 2015, they bring a distinctly Kentucky earthiness to the psychedelic doom tradition.

Philadelphia stoner/doom outfit Mothman and the Thunderbirds mine American cryptid mythology for atmosphere, wrapping their heavy riffs in an occult Appalachian mystique that feels right at home in the city's heavy music scene. Formed in 2020, the band traffics in slow, smoky heaviness with a taste for the strange.

Birmingham's Mountain Bastard drag blackened doom metal through the mud and misery of the Deep South, merging the freeze of second-wave black metal with the lumbering hopelessness of funeral doom in a sound that is as much a product of Alabama's heavy music legacy as it is of Scandinavia's. Formed in 2017, they are one of the more severe acts in the regional underground.

Brooklyn doom and sludge metal outfit Mountain God have been hauling monumental, slow-moving riff structures through New York City's underground since 2013, bringing an almost devotional weight to music that feels both ancient and urban. Their sound sits at the slow, heavy end of the New York metal spectrum, indebted equally to Cathedral and Eyehategod.

Philadelphia stoner/doom band Mountain High embrace the fuzzed-out, slow-burning side of heavy music, delivering riff-heavy material that prizes groove and heft over velocity. Formed in 2013, they are part of a deep-rooted Philly heavy tradition that has long favored the low and slow.

New Jersey stoner/doom outfit Mountain Kings have been generating dense, slow-rolling heaviness since 2014, applying the Garden State's hard-rock heritage to a sound rooted in fuzz-pedal worship and glacial tempos. Their music is built for volume and patience in roughly equal measure.

Gulfport, Mississippi doom/sludge outfit Mountain of Beard have been hauling Gulf Coast heaviness into their music since 2012, layering suffocating low-end sludge with the oppressive humidity of the Deep South. Their name leans into the genre's irreverence while the music leans toward punishment.

Sci-fi doom trio built around a pedal steel guitar run through heavy effects. Albums are thematically rooted in Blade Runner, with songs named after characters from the film.

Bucks County, Pennsylvania's Mountain Shadow are a newly formed (2024) project spanning an unusually wide stylistic range — atmospheric black metal, folk metal, death metal, doom, and death-doom — suggesting a band intent on using the full palette of extreme metal rather than settling into a single lane. The project's scope and ambition make it one of the more intriguing recent arrivals in the Pennsylvania underground.