from Mystic Bliss:
WHAT TO BRING FOR A TREK IN BHUTAN
PERSONAL CLOTHING: Strong normal clothing (according to season). Preferably cotton even for summer, woolen clothing for the evening and winter.
FOR TREKING ONE MUST BRING:
1. Sleeping Bag (down, 0-5 O C)
2. Strong comfortable trekking boots-water resistant for the rainy period (June-August)
3 .Sunscreen
4. Flashlight
5. Rain Coat (especially for rainy period-June-August)
6. Head gear/hat./cap; sun and rain protection
7. Water pills- for extra caution in purifying stream water: (boil water is provided a times during the trek)
8.Aspirin- in case of altitude sickness
9. Lots of socks
10. Warm undergarments
OPTION ITEMS TO BRING:
Sunglasses
Headgear
Folding umbrella (only for wet months-July and August)
One Towel
Pillow Case
Wet-packaged tissue paper