Is the road from Keylong to Kasauli open all year?

The road is generally open, but the Atal Tunnel may close briefly during heavy snowfall.

Are there direct buses from Keylong to Kasauli?

No, you must change buses at Manali or Mandi.

What is the best vehicle for this route?

An SUV with high ground clearance is recommended for mountain roads.

Is there a train to Kasauli?

No, the nearest railhead is Kalka, which is 25 km away from Kasauli.

How long does it take to reach Kasauli from Keylong?

It takes approximately 14 to 16 hours by road.

Keylong

Kasauli

Bus Driving

Keylong to Kasauli

Updated: 28 May 2026

The journey from Keylong to Kasauli spans approximately 420 km through the heart of Himachal Pradesh. You will traverse the Atal Tunnel and descend through Manali, Mandi, and Shimla. The route primarily follows NH 3 and NH 5, offering dramatic shifts from high-altitude desert to lush pine forests. Expect a travel time of 14 to 16 hours depending on traffic near Shimla. This route is a test of endurance due to the winding mountain roads.

Total Distance: Driving distance is 420 km; straight-line air distance is 210 km.

Fastest Way

Private taxi, taking 14 hours via the Atal Tunnel route.

Cheapest Way

HRTC bus via Manali and Shimla, costing around 1500 INR.

Compare Keylong to Kasauli Routes

	Bus Connecting	Driving Direct
Duration	18 hours	14 hours
Avg Price	1200-1800 INR	5000-8000 INR
Operator	HRTC	Private Taxi
Route	Keylong to Manali, then Manali to Chandigarh, then local bus to Kasauli	Keylong - Atal Tunnel - Manali - Mandi - Shimla - Kasauli
Tip	Change buses at Manali ISBT for better connectivity to the lower hills.	Start before 5 AM to avoid heavy tourist traffic near Manali and Shimla.

Travel Tips

Acclimatization
Keylong is at high altitude; ensure you are hydrated before starting the descent.
Motion Sickness
The route involves constant hairpin bends; carry anti-nausea medication.
Fuel Stops
Refuel in Manali or Mandi as petrol pumps are sparse in the high-altitude stretches.
Offline Maps
Download offline maps as mobile network connectivity is intermittent between Keylong and Manali.
Clothing
Carry layers as temperatures drop significantly once you cross the Atal Tunnel.

Safety Tips

Landslide Zones
Be cautious near the Aut tunnel and Pandoh dam area during monsoon season.
Night Driving
Avoid driving at night on the mountain stretches due to poor visibility and narrow roads.
Vehicle Check
Get your brakes and tires checked before leaving Keylong, as the descent puts immense pressure on them.
Emergency Contacts
Keep local police station numbers for Manali and Solan saved on your phone.