In the morning, trek to Kedarnath Temple, one of the holiest Hindu shrines. Afternoon, visit Bhairav Nath Temple and Shankaracharya Samadhi. In the evening, attend the evening aarti ceremony at the temple.
Take a morning dip in the thermal springs at Janki Chatti. Afternoon, visit Yamunotri Temple dedicated to the goddess Yamuna. In the evening, enjoy the scenic views of the surrounding hills.
Visit Gangotri Temple in the morning, dedicated to the goddess Ganga. Afternoon, trek to Gaumukh Glacier and witness the source of the Ganges River. In the evening, explore the nearby villages and interact with locals.
Visit Badrinath Temple in the morning, dedicated to Lord Vishnu. Afternoon, trek to the Mana Village and explore the natural caves. In the evening, attend the evening aarti ceremony at the temple.
Visit the five temples of PanchKedar - Kedarnath, Tungnath, Rudranath, Madhyamaheshwar and Kalpeshwar. Afternoon, trek to Tungnath Temple, the highest Shiva temple in the world. In the evening, attend the evening aarti ceremony at the temple.
Take a morning trek to Chandrashila Peak, famous for its panoramic views of the Himalayas. Afternoon, visit Deoria Tal, a serene lake surrounded by snow-capped mountains. In the evening, enjoy the sunset views from the lake.
Drive back to Dehradun in the morning. En route, stop at Rishikesh and visit the Laxman Jhula and Ram Jhula bridges. In the afternoon, go for river rafting in the Ganges River. In the evening, explore the local markets in Dehradun.
Consider visiting the Valley of Flowers National Park, located near Badrinath. It is known for its beautiful meadows of alpine flowers. Also, you can plan a side trip to Auli, a popular skiing destination in the winter months.