The Bhagirathi River, one of the primary headstreams of the Ganga, flows gracefully through the Harsil–Dharali region. Known for its crystal-clear waters and tranquil surroundings, the river creates a calming atmosphere ideal for nature walks, meditation, and quiet reflection.

Riverbanks near Harsil are especially popular for photography and peaceful strolls, with the sound of flowing water complemented by mountain views and pine forests. The Bhagirathi adds a spiritual and scenic charm to the entire valley.