Do I need a permit for Lachen?

Yes, an Inner Line Permit is mandatory for all visitors.

Can I visit Gurudongmar Lake?

Yes, but it requires a special permit and is subject to weather conditions.

Is there mobile network?

Network is very poor; expect to be disconnected for most of the trip.

How long is the drive?

It takes about 9 to 10 hours from Gangtok.

Are there hotels in Lachen?

Yes, there are several hotels and homestays available for tourists.

Driving

Aritar to Lachen

Updated: 28 May 2026

The journey from Aritar to Lachen is a significant expedition covering about 175 kilometers. You must travel via Gangtok and then head north into the high-altitude region. This route requires a mandatory Inner Line Permit (ILP). The drive takes approximately 9 to 10 hours due to the steep, winding roads and multiple checkpoints. Lachen is the base for visiting the famous Gurudongmar Lake.

Total Distance: 175 km by road, 85 km straight-line.

Fastest Way

Private taxi from Gangtok is the most reliable and fastest way to reach Lachen.

Cheapest Way

Shared taxis from Gangtok are the most economical, but require pre-arranged permits.

Compare Aritar to Lachen Routes

Driving

Connecting

Duration

9 hours

Avg Price

6000-7500 INR

Operator

Sikkim Registered Tour Operators

Route

Aritar - Gangtok - Mangan - Chungthang - Lachen

Book a package tour as individual travel to Lachen is restricted by permit rules.

Travel Tips

Permits
Ensure your tour operator has secured the permit for Gurudongmar Lake in advance.
Acclimatization
Spend at least one night in Gangtok or Lachen to adjust to the altitude.
Clothing
Pack heavy winter clothing, including thermal layers and windproof jackets.
Hydration
Drink plenty of water to help your body adjust to the high altitude.
Cash
Carry sufficient cash as there are no banking facilities in Lachen.

Safety Tips

Altitude Sickness
Be aware of symptoms like headache or nausea; descend if they persist.
Road Safety
The roads are narrow and steep; trust your driver's expertise.
Travel Insurance
Verify that your insurance covers high-altitude travel and emergency evacuation.
Stay Informed
Check with your hotel about road conditions before leaving for the lake.