Besides warm clothes, bring sunscreen lotion, lip balm and sunglasses. Also bring photo ID cards (Voter ID, passport, driving license or Aadhar) for inner line/restricted area permit.
Don’t forget to bring your regular medicines and good shoes. You may bring power bank to charge your phone/camera on the go.
If coming between October and April, wear gloves, warm socks and gloves.
Please note that only post-paid mobile connections work in Ladakh. You can buy a temporary post-paid connection if doesn’t have one. Otherwise, most tourists come without any working phone.