MistyCurves
Spiti isn't hard because it's remote — it's hard because the consequences of bad planning there are serious. A washed-out road with no detour. An ATM in Kaza that's been offline for three days. Altitude sickness at 4,400 meters with no clinic for 60 km. These aren't edge cases; they happen on a significant number of Spiti trips every season. This guide is structured around what needs to be sorted before you leave, with specific route, permit, and health information — not just a list of what to see once you arrive.
1. Comparing the Two Access Routes to Spiti
Spiti can be accessed via two distinct road circuits:
Route A: Shimla – Kinnaur – Kaza (Year-Round Route): This route ascends gradually from Shimla through Rampur, Reckong Peo, Kalpa, and Nako before entering Spiti at Sumdo. Because the altitude gain occurs over 3 to 4 days, this route significantly reduces the risk of Acute Mountain Sickness (AMS) and is accessible year-round, except during temporary snow blockages.
Route B: Manali – Atal Tunnel – Kunzum Pass – Kaza (Summer Route): Open only from late May to October, this route crosses the Atal Tunnel into Lahaul and ascends over Kunzum Pass (4,551m) into Spiti. While much shorter in distance, the rapid altitude gain requires careful acclimatization. The stretch between Gramphu and Batal features rough unpaved tracks and mountain stream crossings (nallahs) requiring high-clearance 4x4 vehicles.
Taking the Shimla-Kinnaur route allows gradual acclimatization, making it the safer choice for high-altitude health.
2. High-Altitude Villages & Monasteries
• Key Monastery (4,166m): The largest monastic center in Spiti, housing historic murals, scriptures, and resident monks.
• Tabo Monastery (3,050m): Founded in 996 AD, known for preserved clay statues and Indo-Tibetan wall paintings.
• Dhankar Monastery (3,890m): Built on a cliff edge overlooking the Spiti and Pin River confluence.
• Hikkim (4,440m): Location of one of the highest functioning branch post offices in the world.
• Langza (4,400m): Known for its marine fossil deposits dating back to the prehistoric Tethys Sea, overseen by a prominent Buddha statue.
• Komic (4,587m): One of the highest motorable villages in Asia.
3. Altitude Health, Acclimatization & Safety
Acute Mountain Sickness (AMS) is a real health consideration in Spiti. Symptoms include persistent headaches, nausea, dizziness, and shortness of breath.
Safety Protocols: Rest for 24 to 36 hours upon reaching Kaza or high elevations. Drink 3 to 4 liters of water daily to maintain hydration. Avoid alcohol and heavy physical exertion during the first two days. Consult a certified medical practitioner regarding preventative medication such as Diamox before travel. If severe symptoms occur, immediate descent to lower altitude is mandatory.
4. Permits, Cash & Communication Logistics
• Permits: Indian citizens do not require permits to visit Spiti. Foreign nationals require an Inner Line Permit (ILP) to travel between Reckong Peo and Kaza (near the Tibetan border). Permits can be obtained at the District Magistrate offices in Shimla, Reckong Peo, or Kaza upon presenting a valid passport and visa.
• Cash & ATMs: Kaza has the only primary ATM in the valley, which can frequently run out of cash or go offline due to power disruptions. Travelers must carry adequate cash from Manali, Shimla, or Reckong Peo for homestays, meals, and fuel.
• Mobile Network: BSNL and Jio provide reliable coverage in main towns like Kaza and Tabo. Remote passes and smaller villages have limited to zero network connectivity.
Interested in exploring the high desert safely? Review MistyCurves' detailed Spiti Valley Circuit Expedition.
