6 days are enough for both the places. You can visit snow mountains and do river rafting, river crossing, paragliding & zorbing in Manali.
Manali HPTT Answered question Jun 14, 2023
To cover Kullu Manali, it is recommended to plan a trip of at least 5 to 7 days. This duration allows you to explore the scenic beauty, visit attractions like Rohtang Pass and Solang Valley, engage in adventure activities, and experience the local culture and cuisine.
Manali HPTT Answered question Jun 14, 2023