Great Himalayan National Park is a UNESCO World Heritage Site and an essential destination for nature lovers. The park features majestic peaks, scenic valleys, and diverse wildlife. You can expect to see snow leopards, Himalayan black bears, and many other mammals and birds. You can explore the park through various trails, such as the Tirthan Valley Trek or the Sainj Valley Trek.
Rohtang Pass is a high altitude mountain pass that connects Kullu Valley to Lahaul and Spiti Valleys. The pass offers mesmerizing views of the surrounding snow-capped peaks and glaciers. You can enjoy various adventure activities such as snowmobiling, skiing, zorbing, and mountain biking. You can also visit the nearby Solang Valley, which is famous for paragliding, cable car rides, and zip-lining.
Dalhousie is a serene hill station with colonial-era architecture, quaint cafes, and scenic views. You can visit places like Khajjiar Lake, Panchpula Waterfall, and Dainkund Peak. You can also take a walk through the famous Bakrota Hills, which offer panoramic views of the Himalayas. If you have more time, you can visit the nearby town of Chamba, which has historical temples, museums and an annual traditional fair called Suhi Mata Mela.
If you have more time, you can add a visit to the Parvati Valley, which is a trekker's paradise with hot springs, waterfalls, and ancient Hindu temples. You can also subtract a day from the itinerary and spend more time in Dalhousie or Rohtang Pass, depending on your preferences. Make sure to carry warm clothes and sturdy shoes, as the weather in Himachal can be unpredictable.