Guwahati to Tawang via Assam

High-altitude warning
This route crosses Sela Pass at 4,170 m (13,700 ft) and, with an army permit, Bumla Pass at 4,633 m (15,200 ft). Acute Mountain Sickness is a real risk above 3,000 m. Acclimatise with at least one night at Dirang or Bomdila, drink 3-4 litres of water a day, avoid alcohol, and descend immediately if you get a persistent headache, breathlessness at rest or vomiting. Travellers with heart or lung conditions should consult a doctor before booking.
Guwahati to Tawang via Assam at a glance
- Distance
- 520 km
- Duration
- 5-6 days round trip
- Difficulty
- Challenging
- Vehicle
- Royal Enfield Himalayan (recommended) with luggage rack
- Best season
- April to June and mid-September to October
- Maximum altitude
- Sela Pass 4,170 m (13,700 ft); Bumla Pass 4,633 m (15,200 ft)
- Permits
- Inner Line Permit (ILP) for Arunachal Pradesh — Indian nationals, applied online or at Guwahati/Tezpur
- From
- ₹32,000 per person
Permits and paperwork
- • Inner Line Permit (ILP) for Arunachal Pradesh — Indian nationals, applied online or at Guwahati/Tezpur
- • Protected Area Permit (PAP) for foreign nationals, minimum group and prior clearance required
- • Separate Bumla Pass permit issued by the Indian Army at Tawang, subject to weather and security
When to go
Best: April to June and mid-September to October. Avoid: December to March — Sela Pass closes without notice in heavy snow; July to August landslides on the Bhalukpong-Bomdila stretch.
Route highlights
Road and riding conditions
Mixed tarmac, gravel and construction cuttings past Bomdila. Fuel is scarce beyond Dirang — top up at Bomdila. Altitude sickness is a genuine risk above Sela; split the climb over two nights at Dirang or Bomdila.
Sub-zero mornings at Sela even in May. Thermal layers, waterproof gloves and a spare tube are non-negotiable.
Ride it with XTSY
XTSY arranges the vehicle, permits, fuel planning, backup contacts and your stay in New Shillong for this route. Beds at XTSY Travellers Hostel start at ₹389 per person per night between legs. XTSY’s own stay is in New Shillong Township. Vehicles, stays and support further along each route are arranged through trusted travel partners, with the XTSY desk as your single point of contact.


