Samagaon Acclimatization Day: Manaslu Base Camp Hike, Birendra Lake and Pungyen Gompa

On Places Nepal's 12-day Manaslu Circuit, Day 7 is the one planned rest day. You wake in Samagaon (3,530 m / 11,581 ft) for the second morning in a row, spend the day on an optional hike, and sleep in the same village again. Three hikes are on offer: Birendra Lake (about 3,650 m, easy), Pungyen Gompa (about 4,000 m, a half-day climb) and Manaslu Base Camp (about 4,800 m, a full day with 1,270 m of climbing). The day exists to prepare you for Larkya La (5,106 m), three days later. The right choice is the one that leaves you well on Day 8, which is not always the highest one.

Quick Answer: Which Hike Should You Do?

You do one of these, not all of them. Manaslu Base Camp is not required for acclimatization. Your guide makes the final call on the morning, based on how you slept, ate and feel.

Trek the Manaslu Circuit Trek

A remote and off-the-beaten-path Himalayan adventure in Nepal. The trek covers roughly 126 km (78.2 miles) and involves 5–7 hours of hiking per day through villages, forests, and the Larkya Pass

View Trip

Where Day 7 Sits in the 12-Day Itinerary

Widely cited high-altitude guidance (from bodies such as the CDC and the Wilderness Medical Society) is to keep nightly gains in sleeping altitude to roughly 300–500 m once above 3,000 m, with a rest day every few days. Two nights on this itinerary exceed that: Namrung to Shyala (+870 m) and Samdo to Dharmasala (+585 m). The schedule compensates by making Day 6 almost flat, giving you a true rest day at Samagaon, and keeping Day 8 short (8.2 km, 3–4 hours). That is why Day 7 is not a day to skip or treat as spare time.

If you want more margin, tell your guide before the trek. The Places Nepal trip page notes that extra time at Samdo is a common addition, and its comparison table lists the 13-day Tibet Border Manaslu Circuit as having two acclimatization days (Samagaun and Samdo).

What Makes a Hike on This Day "Count"

• You sleep at the same altitude again. Day 7 adds no new sleeping altitude. The benefit comes from the second night at 3,530 m and from a few hours spent higher during the day.
• A few hundred metres is usually enough. Many guides and medical sources recommend "climb high, sleep low" in modest steps. Going far above your sleeping altitude adds fatigue and risk faster than it adds benefit.
• Food, water and sleep matter as much as the hike. Eat full meals even if appetite is low, drink steadily, and skip alcohol.
• The test is the next morning. If you wake on Day 8 with a clear head and an appetite, the day worked.

Photo: Birendra Lake

Option 1: Birendra Lake (Birendra Tal)

The walk. From the upper edge of Samagaon, a well-worn trail climbs gently across meadow and rocky moraine to the lake. The distance is about 3–4 km round trip, with roughly 120 m of climbing. Allow 1.5–2.5 hours including time at the shore.

The lake. Birendra Lake is a glacial lake held back by an end moraine and fed by meltwater from the Manaslu Glacier, with the north face of Manaslu (8,163 m) above it. On calm mornings the surface reflects the peaks. The Manaslu Base Camp trail passes the lake, so Base Camp hikers see it anyway.

Elevation. We use 3,650 m. Published figures run from about 3,600 m to 3,690 m depending on the source and where on the lake the measurement is taken. The climb of about 120 m from the village matches the 3,650 m figure.

The higher option. For trekkers who feel strong, a steeper extension leads up the rocky spur beside the lake, gaining roughly 200–300 m above the water (about 3,850–3,950 m). The scramble is short, around 15–20 minutes uphill, and gives a view down onto the lake and across to the glacier front. Treat it as optional and guide-led, and check conditions with your guide first.

Safety note after April 2024. On 21 April 2024, ice calving from the snout of the Manaslu Glacier fell into the lake, which overtopped and sent a surge down the Budhi Gandaki River. A wooden bridge on the Samagaon–Samdo trail was washed away, and no casualties were reported. Since then, researchers have modelled larger worst-case scenarios that could affect Samagaon and the trail. The practical rules are simple: keep the visit short, do not sit, rest or camp at the water's edge, do not swim, do not approach the glacier snout, and follow your guide's instructions about where to stand.

Option 2: Pungyen Gompa

What it is. Pungyen Gompa is an active Buddhist monastery on high ground above Samagaon, associated with the Nubri community's reverence for Manaslu as a sacred mountain. Many sources describe it as roughly 400 years old; accounts of its history differ, so ask your guide for the local version.

The hike. The monastery sits at about 4,000 m (the Places Nepal itinerary gives 4,040 m). From Samagaon the climb is roughly 470–510 m. Most sources quote 3–4 hours of walking for the round trip, with some longer routes quoted at 5–7 hours. Add 45–90 minutes at the gompa. Plan a half-day, not a short stroll.

Day 6 or Day 7? The Day 6 itinerary offers Pungyen Gompa as an optional detour on the walk from Shyala. If you took it then, skip it today and choose the lake or a rest. If you did not, it is a good alternative to Base Camp on Day 7: more cultural, much less climbing, quieter. Do not stack it on top of the Base Camp hike.

Etiquette. Remove shoes before entering, ask before photographing people or interiors, and keep mani walls, chortens and prayer wheels on your right as you walk (clockwise).

Option 3: Manaslu Base Camp

The numbers. Manaslu Base Camp is given as 4,800 m (15,748 ft) on the Places Nepal itinerary. The climb from Samagaon is 1,270 m, over 12–15 km round trip, taking 6–9 hours depending on pace and how long you spend at the top. Other sources place the base camp anywhere from about 4,400m to 4,900m, because the expidition camp and the point where trekkers turn around are not identical.

The route. The trail leaves Samagaon, passes Birendra Lake about 30–45 minutes out, then steepens sharply onto glacial moraine, where most of the day's climbing happens. Footing is loose and uneven. The reward is a close view of Manaslu's north face and the glacier.

A typical day (not a fixed schedule):

Is it worth it? For fit, symptom-free trekkers in stable weather, it is one of the best days on the circuit. But 1,270 m above your sleeping altitude is well beyond what acclimatization needs. Think of it as a scenery and fitness objective, not a requirement, and do not attempt it because others in the group are going.

Skip Base Camp if: you have a headache, nausea or dizziness; you slept poorly and have little appetite; there is fresh snow or a storm; or your guide advises against it. The Lake option still counts as acclimatization.

Other notes. Go with your guide, never alone. Carry 2–3 litres of water, lunch, wind and warm layers, sun protection and poles. In the climbing seasons, expedition teams may be camped on the shelf below the north face; there are no services for trekkers either way.

Photo: Pungyen Gompa with Manaslu in the backdrop

How to Choose on the Morning

What you notice at breakfast	Sensible choice
Headache, nausea, dizziness, or very poor sleep	Lake only, or full rest in the village; tell your guide
Tired but otherwise fine, appetite normal	Birendra Lake
Slept well, ate well, no symptoms, want more	Lake plus higher viewpoint, or Pungyen Gompa
Symptom-free, strong, clear stable weather, early start possible	Manaslu Base Camp, only if your guide agrees
Fresh snow, strong wind, low cloud	Lake or village walk, regardless of how you feel

Warning Signs and What to Do

Common altitude symptoms: headache, nausea, dizziness, unusual fatigue, disturbed sleep. Tell your guide straight away. Mild symptoms can settle with rest and fluids; do not climb higher while you have them.

Serious signs: confusion, stumbling or loss of coordination, breathlessness at rest, or a wet, persistent cough. These need immediate descent and medical help. The Places Nepal itinerary notes that Samagaon has a health post and a helipad for emergencies.

Before you travel: discuss altitude medication with a doctor. Make sure your travel insurance covers trekking above 5,000 m and emergency helicopter evacuation.

Trek the Tsum Valley with Manaslu Circuit Trek

Into the Hidden Valley of Tsum and Around Manaslu.

View Trip

The Rest of the Day in Samagaon

• Walk the village, visit the gompa (ask before photographing), and look at the mani walls.
• Charge devices in the dining room; in-room charging is not available in Samagaon teahouses.
• Eat well and drink steadily. Many guides suggest 3–4 litres a day at this altitude; pale urine is a better guide than a fixed number.
• Brief your guide for Day 8, the short walk to Samdo (3,875 m, 8.2 km, 3–4 hours).

What to Pack for Day 7

• Warm layer, windproof shell and gloves
• Sun hat, sunglasses and sunscreen
• 2–3 litres of water and a packed lunch (Base Camp or Pungyen)
• Trekking poles
• Headlamp, in case of a late return
• Camera and a power bank charged the night before

Weather and Season

Mornings are usually the clearest, and cloud tends to build over the glacier by early afternoon, which is why Base Camp days start early. Spring (March–May) and autumn (September–November) are the main windows. In colder months or after fresh snowfall, upper trails can be unsafe or impractical, and your guide may restrict the options.

Why This Day Matters for Larkya La

The pass crossing on Day 10 is the hardest day of the circuit (see the difficulty guide), and it comes after two nights above 3,500 m and one at 4,460 m. The aim of Day 7 is to reach Samdo and Dharmasala in good shape, not to prove fitness early.

Frequently Asked Questions

Is the Samagaon rest day compulsory? On the 12-day itinerary it is built in and should not be skipped. The hike itself is optional; resting in the village is acceptable.

How high is Birendra Lake? About 3,650 m (11,975 ft), roughly 120 m above Samagaon.

How long does the Birendra Lake hike take? About 1.5–2.5 hours round trip including time at the lake.

Can I climb higher above Birendra Lake? Yes. An optional scramble of roughly 200–300 m above the lake gives a view over the water and the glacier front. Confirm the route and conditions with your guide.

How long is the Manaslu Base Camp hike? About 6–9 hours round trip, 12–15 km, with 1,270 m of climbing.

How high is Manaslu Base Camp? 4,800 m on the Places Nepal itinerary; other sources range from about 4,400 to 4,900 m.

Is the Base Camp hike necessary for acclimatization? No. Birendra Lake or Pungyen Gompa also supports acclimatization.

How high is Pungyen Gompa, and how long does it take? About 4,000 m. Most sources quote 3–4 hours of walking for the round trip, plus time at the monastery.

Was Birendra Lake affected by the 2024 flood? Yes. An ice avalanche on 21 April 2024 caused the lake to overflow and washed out a bridge on the Samagaon–Samdo trail; no casualties were reported. Follow your guide's directions at the lake.

Do I need a guide for these hikes? Yes. Manaslu is a restricted area and a guide is included in the Places Nepal package; the Base Camp route in particular should never be attempted alone.

What if I feel unwell on Day 7? Rest, tell your guide, and do not climb higher. If symptoms worsen, descent is the answer.

Plan Your Manaslu Circuit

This hike is Day 7 of the 12-day Manaslu Circuit Trek, from US$980 per person on the 2–4 person group rate. For the full day-by-day route, see the Manaslu Circuit itinerary options compared. Talk to us before booking if you want a longer, gentler acclimatization schedule.