Hi Taniya, I think February is too cold for thr north. However, if you are flexible , you can visit Kasar Devi in Almora. It's like Kasol but spiritual. You can stay at a backpacker hostel there called HOTS.
In Uttarakhand you can go to following places:
1. Chopta
2. Auli
3. Dhanaulti
4. Kanatal
5. Tihri
6. Chamoli
7. Nagtibba
8. Binsar
9. Munsiyari
10. Mukteshwar
11. Mussoorie and Landour
12. Nainital
13. Kausani In Himachal you can go to following places: 1. Mcleodganj and Triund
2. Manali
3. Shimla, Chail, Kufri and Narkanda
4. Kasol, Tosh and Kheerganga
5. Bir Billing and Barot Valley
6. Parashar
Hi Taniya, I can suggest you some fantastic places in Himachal, which you will love it - Tosh
- Kasol
- Chalal
- Pulga
- Kheerganga
- Spiti Valley Hope you get a chance to visit.
Happy Travelling :)