Visit Kedarnath Temple in the morning, take a leisurely trek in the surrounding hills in the afternoon, and relax in the natural hot springs in the evening.
See the stunning views of Nilkantha Peak on the way to Badrinath. Visit the Badrinath Temple and Tapt Kund in the morning, followed by a scenic drive to Mana Village in the afternoon, and relax in the Vyas Gufa cave in the evening.
Start the day with a visit to the Gangotri Temple and take a dip in the holy Ganges river. Head to the Gangotri Glacier for a trek in the afternoon and enjoy the stunning views. In the evening, relax in the natural beauty of the Bhagirathi Valley.
Visit the Yamunotri Temple and take a dip in the thermal springs in the morning. In the afternoon, take a trek to the Saptarishi Kund and enjoy the beautiful views. End the day with a relaxing evening at the Kharsali village.
Return to Kedarnath and take a trek to Vasuki Tal in the morning. Visit the Shankaracharya Samadhi and the Bhairon Temple in the afternoon. In the evening, relax near the Mandakini river and enjoy the scenic beauty.
Return to Badrinath and visit the Charan Paduka, Brahma Kapal, and Sheshnetra in the morning. Take a scenic drive to Joshimath in the afternoon and visit the Narsimha Temple and the Kalpavriksha in the evening.
Return to Dehradun and visit the Robber's Cave and the Tapkeshwar Temple in the morning. Spend the afternoon at the Forest Research Institute and enjoy a relaxing evening at the Sahastradhara waterfall.
You can also consider visiting Hemkund Sahib, Valley of Flowers, and Auli for some more nature experiences. For side trips, consider visiting Rishikesh for adventure sports or Haridwar for some spiritual experiences. To maximize your fun, try to plan your trip during the week instead of the weekend to avoid crowds.