Also known as: Bhagirathi, upper Ganga source
Steep pine-clad Garhwal valley, Gangotri approach, temples and gorges

Whether there is a river here on your dates, and what kind of water it is.
Snowmelt fed with upstream dam influence (Maneri Bhali, Tehri) causing flow fluctuation (Confirm.)
Sep-Jun; avoid peak monsoon; dam release dependent below Maneri or Tehri (Confirm.)
Oct-Dec and Mar to mid-May
Cold glacial, approx 8-12 C; wetsuit or drysuit advised
Monsoon flooding, cloudbursts, sudden dam-release surges, rockfall
A river changes grade with its level. These grades describe a normal flow - in flood the same run is harder, and often a different run entirely. Check the gauge before you commit.
III-IV+ (class IV on the demanding Harsil and Dharasu stretches)
Rafting
Shorter Uttarkashi-Chham (approx 12 km) or longer Dharasu-Devprayag expedition options (Confirm.)
Intermediate to advanced paddlers; not a beginner run at higher flows
Continuous technical rapids; named features include Elephant Rock, The Chute and Sharp S (Confirm.)
Undercut rocks, continuous rapids with few eddies; sudden flow changes below dams
Uttarkashi area section (upper Bhagirathi)
Low to moderate; quiet compared to Rishikesh
Booked via operators; Uttarakhand tourism registration; forest and dam considerations (Confirm.)
Permits and operators change - confirm before booking.
Road access along Gangotri highway near Uttarkashi; short shuttles
Operator vehicle shuttle along the Gangotri highway
Day run; riverside camps and Uttarkashi hotels
Wetsuit, helmet, PFD provided; limited signal in gorges; carry water
Uttarkashi hub; Rishikesh and Tehri operators
Steep continuous water, cold, dam-release surges, monsoon flood risk
Highway follows river for exits; hospital in Uttarkashi
Commercial guided; certified guide with safety cover essential on steep water
This profile is desk research, compiled from public sources - not a first-hand river run report. Coordinates are approximate.