Uttarakhand is a great place for trekking]. At the lower levels, there are forests and wildlife. At the upper reaches, you go past the tree line to snow clad mountains.There are many trip designs which can be conceived of, but there are perhaps around 20 tripswhich are the most popular. See also: Leave-no-trace camping and Wilderness backpacking
Roopkund Trek - Bedni Bugyal, Chamoli District - one of the most popular treks. Roop kund also known as Mystery Lake is a clear water Himalayan lake. Roopkund starts from Debal. This beautiful lake is surrounded by majestic Himalayan peaks covered with snow and glaciers.
Panwali Bugyal Trek, Tehri District - it leads to Triguninarayan, a place where the eternal flame of Shiva & Sati's Parvati's previous incarnation marriage is still kindling
Gangotri Glacier Trek - Tapovan meditation ground of Gods, Gaumukh source of Ganga& Shivling Mountain
Satopanth Swargarohini Trek - near Badrinath, one of the most pristine treks. Satopanth tal is a lake at an altitude of 4600m.
Pindari glacier trip
Chandrashila Trek, Chopta - Chandrashila commands the most beautiful view of the Himalayas in the whole region, especially Chaukhamba & Nanda Devi. There's one of the Panch Kedars - Tungnath's temple - the highest temple of Shiva
Madmaheshwar Trek, near Ukhimath, Rudraprayag - one of the most beautiful treks leading to a Panch Kedar, it's at the base of Chaukhamba Peak 7300 m/23,950 ft.
Kuari Pass Trek - near Auli, quite popular with foreign tourists
Khatling Glacier, near Gangotri
Valley of Flowers Trek, near Badrinath - the most beautiful valley
Har ki doon - very scenic trek, near to Swargrohini peak, from where Pandavas went to the heaven.
Trekking inside Nanda Devi Sanctuary
Sunder dhunga trek
Thailisan - Binsar Trek in Pauri, an uplifting trek, providing panoramic view of Himalayas
Milam glacier trek
Kafni glacier trek
Kalindni Pass Trek - Gangotri to Badrinath - a lifetime dream for many an adventurer.
Deoriatal Trek- Deoriatal Trek is one of the famous trekking destinations in Uttarakhand. One can drive up to the Sari village near Ukhimath, from where it is a short 4 kms walk to the lake. Trekking can be done for entire year in Deoriatal.