Garhwali is a Central Pahari language, sister to Kumaoni across the watershed and cousin to the far-western Nepali of the Doti country beyond the Kali. It is not a dialect of Hindi, and the two are not mutually intelligible on first hearing, though a century of schooling, radio and migration has pulled Garhwali vocabulary steadily towards Hindi. It carries no official status, is not a medium of instruction, and the census counts it separately — which is the only reason there is a number at all. Within the region, dialect boundaries follow river basins rather than administrative units, because a basin is what people could walk within a day.
SrinagariyaIndo-Aryan, Central Pahari
The speech of the old capital on the Alaknanda, and the register that broadcasting, recording and print settled on as standard Garhwali.
बोलने वाले: The prestige variety; roughly 2.5 million returned Garhwali overall in the 2011 Census, an undercount
Salani and RathiIndo-Aryan, Central Pahari
The Pauri uplands — Salan on the southern slopes and Rath on the ridges behind them. Rathi is often identified by outsiders as the most conservative Garhwali and by its own speakers as the most direct.
Badhani, Dasoliya and NagpuriyaIndo-Aryan, Central Pahari
Chamoli and Rudraprayag — the pargana names survive as speech names. These are the varieties nearest the Kumaoni frontier, and they share vocabulary across it that neither standard admits to.
JaunsariIndo-Aryan, Western Pahari
Spoken in Jaunsar-Bawar in the Tons and Yamuna country. Despite lying inside Garhwal it belongs to the Western Pahari group and looks towards Himachal — a reminder that the region's western edge is a language boundary, not a foothill.
Marchha and TolchhaTibeto-Burman, West Himalayish
The languages of the Bhotiya communities of the Niti and Mana valleys. Trade with Tibet kept them in daily use; the closure of the passes in the early 1960s removed their working domain within a decade.
बोलने वाले: Very few fluent speakers remain
Jadh (Jad)Tibetic
Spoken by the Jadh community of the Nelang and Jadhang valleys above Gangotri, who were resettled lower down after 1962. A Tibetan language on the Indian side of the crest.