Dear Rebecca,
Thanks for contacting Top China Travel. Kanas may not be as crowded as other places in China, even though October is still the high season. The best time to visit is from May to October, it's a great time for sightseeing. You can also connect your tour with other cities like Urumqi, 5 to 7 days will be good for this tour. If you haven't got any plan yet, you can check this tour for some inspirations.
7 Days Picturesque Xinjiang Tour to Kanas Lake: Urumqi, Burqin, Kanas
You can just tell us attractions you want to visit and all your requirements for this tour, we will work out the best plan and price for you. Please let us know as soon as you decide.
Have a good day!
Warm regards,
Abby