Both itineraries follow the same route and can include the same two acclimatisation days. The 14-day plan adds a day in Kathmandu at each end, or a spare day for Lukla flight delays. The 12-day plan is the same trek with no slack. Choose 14 days unless your leave is fixed and you accept the risk of a delayed flight.
12 days and 14 days at a glance
- Trekking days Lukla to Lukla. 12 days: 11 or 12. 14 days: 12.
- Acclimatisation days. 12 days: two, at Namche and Dingboche. 14 days: two, at Namche and Dingboche.
- Days in Kathmandu. 12 days: little or none. 14 days: one before and one after.
- Buffer for flight delay. 12 days: none. 14 days: one day.
- Pace. 12 days: the same on the trail. 14 days: the same on the trail.
- Best for. 12 days: fixed, short leave. 14 days: most trekkers.
Where the two days go
Counted from arrival in Kathmandu, a 14-day plan usually runs: arrive, fly to Lukla, eight days up with two rest days, three days down, fly back, a spare day and departure. A 12-day plan removes the arrival-day cushion and the spare day, and it sometimes combines the last two walking days. The walking above Namche is the same. See the 12-day itinerary with two rest days.
Acclimatisation: the part not to cut
A safe schedule sleeps two nights at Namche (3,440 m) and two at Dingboche (about 4,410 m). Any plan that drops one of these to save a day is a different and riskier trek, whatever it is called. When you compare offers, count the nights at each place, not the number in the title. See the 10-day version for what a tighter plan involves.
Flight delays
Lukla flights are cancelled in cloud or wind, sometimes for two or three days. On a 14-day plan one cancelled day costs you nothing. On a 12-day plan it can mean a missed international flight, a costly helicopter seat or a long drive from Salleri. If you choose 12 days, buy a flexible ticket home and make sure your insurance covers delay.
What a day-by-day comparison looks like
- Days 1 to 2: fly to Lukla, walk to Phakding, climb to Namche. Same in both.
- Day 3: rest day at Namche. Same in both.
- Days 4 to 5: Tengboche, then Dingboche. Same in both.
- Day 6: rest day at Dingboche. Same in both.
- Days 7 to 8: Lobuche, then Gorak Shep and base camp. Same in both.
- Day 9: Kala Patthar at dawn, descend to Pheriche. Same in both.
- Days 10 to 11 or 12: down to Namche and Lukla. The 12-day plan does this in two long days; the 14-day plan takes three.
- Final days: fly out. The 14-day plan keeps one spare day and a night in Kathmandu.
Season makes a difference
The risk of a tight plan changes through the year. In October and November flights are fairly dependable and a 12-day plan usually works. In late spring, in the first weeks after the monsoon and in mid-winter, delays are more common and the spare day earns its place.
Fitness and how the days feel
The plan with fewer days is not for the fitter trekker; it is for the trekker with less leave. Fitness helps you enjoy the walking, but it does nothing to speed up acclimatisation, and very fit people who push the pace are among those most often caught out by altitude. On either plan the rule is the same: walk slowly, drink plenty, eat well and tell your guide at once about a headache that does not clear. On the way down, the 12-day plan asks for two long days of seven to eight hours, which tired legs feel. The extra day in the 14-day plan splits that descent and lets you enjoy Namche a second time.
Choose 12 days if
- Your leave cannot stretch past 12 days.
- Your flight home is flexible or refundable.
- You have trekked at altitude before.
- You accept a possible helicopter cost if flights stop.
Choose 14 days if
- You can spare two weeks.
- You want time to recover in Kathmandu after the flight in.
- You have a fixed international ticket.
- This is your first high trek.
Plan it
See the 12-day trek guides and how many days the trek takes, or ask us for both day-by-day plans.
Common questions
Is 12 days enough for Everest Base Camp?
Yes, if the plan keeps both acclimatisation days and you accept having no spare day for flight delays.
What is the ideal number of days?
For most people, 14 days from arrival to departure, and 15 or 16 for extra comfort.
Is the 12-day trek harder?
The walking is the same. It is tighter, with less margin for weather or a slow day.
Can it be done in fewer than 12 days?
Only by cutting rest days or flying out by helicopter. Cutting rest days raises the risk of altitude illness.
Heights, days, fees and rules are approximate and can change, so confirm the current details with us before you book.
