Yes, definitely you can customize Langtang valley Trek Itinerary according to your personal preferences. The above Itinerary is a basic itinerary. We can customize your itinerary according to your interests. Adding extra days , adding stops/destinations , alternate route can be customized as per your request. Kindly contact us at 9851083025 through viber/WhatsApp or call or email us at adventurealtitudetreks@gmailcom. Or alternatively you can visit our office from 10 AM- 5 PM which is located at Thamel Marga at Shukra Bhawan.