YAMUNA RIVER SYSTEM IN HIMACHAL PRADESH

Yamuna System Master Notes

ЁЯМК Yamuna River System (HP)

1. The Main Yamuna River

  • Entry Point: Khadar Majri (Sirmaur district).
  • Exit Point: Tajewala.
  • Length in HP: Approx. 22 km.
  • Flow Character: Forms the border between HP and Uttarakhand; it does not flow deep into HP.
  • Districts:
    • Main Yamuna: Sirmaur.
    • Drainage Basin: Includes Sirmaur, Shimla, Solan, Kinnaur.
тмЗя╕П Tributary 1: The Tons System

2. The Tons River (Largest Tributary)

  • Joins Yamuna at: Kalsi (Uttarakhand).
  • Enters HP at: Koti (Sirmaur district).
  • Origin: Confluence of Rupin + Supin rivers at Naitwar (Uttarakhand).
  • Geographical Note:
    • Rupin: Flows between Dodra and Kwar.
    • Supin: Flows between Kwar and Uttarakhand.

Direct Tributaries of Tons:

  • Pabbar River: Joins at Tiuni (See details below).
  • Shalwi Khad: Joins at Nerwa (downstream of Pabbar).
  • Sainj Khad: Shimla-Sirmaur border stream.
  • Naila Khad & Bhagal Khad (Bhagal is last HP tributary).

тЖ│ 2.1 The Pabbar River (Sub-Tributary)

  • Origin: Chandernahan Lake (Chanshal Range).
  • Joins Tons at: Tiuni (HP-Uttarakhand border).

Pabbar’s Own Tributaries (Flow Order):

  1. Pejur Nala: Left Bank.
  2. Andhra Khad: Right Bank – Joins at Chirgaon.
  3. Shikri Khad: Right Bank – Joins at Rohru.
  4. Patsari Khad: Right Bank – Origin Khadapathar, joins at Saraswati Nagar.
  5. Sawra Khad: Left Bank.
тмЗя╕П Tributary 2: The Giri System

3. The Giri River

  • Origin: Kupar Peak (Shimla Hills, near Jubbal).
  • Enters Sirmaur at: Mariyog.
  • Confluence with Yamuna: Rampura Ghat / Mokkampur (HP-Uttarakhand border).
  • Canal Note: The Giri and Bata rivers are connected by the Rampur-Giri Canal (Girinagar Project).

Giri’s Tributaries:

  • Asni River: Right Bank – Joins at Yashwant Nagar.
    Sub-tributary/Feature: Sadhupul (joins Asni from left/located on it).
  • Nait Khad: Left Bank.
  • Palar Khad: Left Bank.
  • Jalal River: Right Bank – Joins at Dadahu.
    Flows between Sian Dhar and Dharti Dhar.
тмЗя╕П Tributary 3: The Bata System

4. The Bata River

  • Joins Yamuna at: Bata Mandi (HP side).
  • Geographical Role: Divides the Kiar-da-Dun valley.

Bata’s Tributaries:

  • Khara-Ka-Khala: Left Bank (From North/Nahan Ridge).
  • Kanser-Ka-Khala: Left Bank.
  • Sudanwala Khala: Right Bank (From South/Shiwalik side).
тЪб Hydro-Electric Projects

Key Projects (Yamuna Basin)

  • Kishau Dam: Located on the Tons River.
  • Renukaji Dam: Located on the Giri River.
  • Sawra Kuddu Project: Located on the Pabbar River.
  • Girinagar Project: Located on the Giri River.
  • Chirgaon Project: Located on the Andhra Khad (Pabbar Tributary).
  • Dhamwari Project: Located on the Pabbar River.
  • Tangnau Project: Located on the Pabbar River.

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