We start the Helambu Trek in Kathmandu and drive 15 kilometers to Sundarijal. The starting point of this trek is set at 1,460 meters. We cross into Shivapuri Nagarjun National Park, show our TIMS card and park permit at the checkpoint, and follow the Bagmati River. This area supplies drinking water to Kathmandu and you can see the Sundarijal water treatment plant at the trailhead.The region of Helambu receives way fewer trekkers than Everest or Annapurna.
In 2023, Nepal Tourism Board recorded 12,000 visitors to Helambu while Annapurna had over 160,000. You can already tell, we will walk quieter trails on this trek. We will also meet farmers, school children, and monks en route. The region follows Tibetan Buddhist teachings which you can easily tell by their tradition and Monasteries. You can visit many Gompas en route, featuring the one at Tarke Ghayang and Sermathang where daily prayers are hosted. The locals of the region grow potatoes, millet, and buckwheat and we can see terraced fields on steep slopes.
We will reach Chisapani by late afternoon on the first day of the Helambu Trek. Chisapani sits at 2,150 meters and offers one of the closest views of Langtang Lirung, Dorje Lakpa, and Jugal Himal. Clear days reveal snow peaks just 40 kilometers north of the village. We stay in a basic guesthouse with shared toilets and unheated bedrooms. Meals are cooked on wood stoves or kerosene burners.
The Helambu region lies north of Kathmandu Valley, spanning the districts of Sindhupalchok and Nuwakot. The trek averages 14 to 18 kilometers per day with a total distance of 60 kilometers. We will complete it in six days, reaching a maximum elevation of 3690 meters at Thadepati Pass. Altitude sickness is rare but possible, so we have to monitor our breathing and hydration.
This trek will have you walk through forests of oak, maple, and fir, and during the spring season, rhododendron blooms add vibrant colours. The months of April and May offer red and pink flowers along the ridges. Meanwhile, October and November offer stable weather and clear skies. These are the peak months and the best seasons for trekking and many other outdoor activities. December to February is cold, and snow may block high passes, which is why we must avoid trekking in winter.
We kick off the Helambu Trek early in Kathmandu. The city wakes slowly, but we’re already on the move; by 7 a.m., we’re in a private jeep, heading northeast out of the chaos. The road climbs steadily, leaving behind honking vehicles and bustling city streets. After about 15 kilometers and just over an hour, we reach Sundarijal, the go-to gateway to Helambu Valley.
Sundarijal feels very different from Kathmandu; the air is cooler and the sound of the river fills the silence. We make a stop at the checkpoint to have our permits checked. The TIMS card and Shivapuri National Park entry should be kept ready. No need to rush, but smooth paperwork saves time.
The forest wraps around us as we approach Chisapani. Pine, oak, and rhododendron line the trail we traverse. In spring, the pink Rhododendron flowers bloom beautifully, decorating the trails. We pass small settlements where life moves at a different speed. Women carry loads on their backs and children walk to their local school. Farmers tend terraced plots of maize and potatoes, and some cattle roam freely. Teahouses and eateries pop up every few kilometers. We stop for water, a snack, and maybe different types of tea. Chisapani sits on a ridge, facing north, and on clear days, the Himalayas unfold with glimpses of Langtang Lirung, Dorje Lakpa, and even of the Gosainkunda peaks. We drop our packs at a cozy guesthouse and our dinner will be served after some rest. Tomorrow, we will go deeper into Helambu.
We leave Chisapani by 7 a.m. while the sunrise lights the Langtang range. We start on a wide trail made of compact dirt and stone steps. Soon after, the path descends through pine and rhododendron forest; the elevation drops 300 meters in the first hour. Then, we have to cross small streams on wooden footbridges. Trail markers are visible all the way and yellow and blue signs point to Kutumsang. The locals call this area Melamchi Gadhi. We then pass stone houses with slate roofs.
After around 3 hours of walking, we will reach the village of Kutumsang at 2,250 meters. The 2nd day of the Helambu Trek covers 11 kilometers with an average walking time of 5 to 6 hours. Kutumsang is a Tamang village, decorated by prayer flags and chortens. We can see many walls carved with Buddhist prayers. The locals use solar panels for electricity since power outages are quite common in the highlands. Guesthouses offer basic rooms with blankets and shared toilets.
Our lunch of the day is likely dal bhat with pickled vegetables, but you can also choose other options from the menu provided. The evening hours are free, you can walk to a nearby ridge unguided or explore the village. Views including Jugal Himal and Gauri Shankar can be seen on clear days. The sunset colors fade by 6 p.m., offering a stunning view of the peaks in the distance. Altitude sickness is not a risk here since we are considerably low in elevation. We gain elevation slowly. We will spend the night at 2,250 meters, preparing us for the higher days ahead.
On the 3rd day of the Helambu Trek, we leave Kutumsang after breakfast. The trail begins with a descent through pine and rhododendron forest; the path is well-marked with stone steps and wooden signs. We follow a narrow ridge with views to the east and after about 2 kilometers, we cross a small stream at a wooden bridge. This is a common water refill point. From there, the trail climbs steadily toward Thadepati Pass, which is the highest point of the day at 3,690 meters. The ascent to the top takes about 3 hours from Kutumsang. The gradient is consistent throughout the ascent; we will take short breaks every 30 minutes to keep our breath steady. Trekking poles help greatly in this section.
Some locals might greet us with “Julay”, which is really just a friendly hello. Some homes run small teahouses and eateries where trekkers often stop for hot lemon tea and other drinks. Continuing the Helambu trek, the vegetation changes above 2,400 meters, and Rhododendron trees give way to oak and juniper. Bird calls are very common on the trail, and you can spot the Himalayan bulbul and red-billed blue magpie frequently. No major wildlife sightings, but signs of deer are visible on the trail. Thadepati village sits just beyond the pass, it is small compared to previous villages, with about 20 homes. Guesthouses are very basic but clean and well-managed. We arrive at our destination by 3 p.m. if we maintain a steady pace. Hot water is available for bucket showers, but it’ll cost you extra. In the evening hours, sunset brings clear views west toward the Langtang range.
Day 4 of the Helambu Trek starts from Thadepati at 7 a.m. The morning is quiet and the trail descends through pine and rhododendron forest. We follow a narrow dirt path with stone steps and the initial descent is steep in some sections. We recommend using trekking poles for knee support. The route passes through small clearings and we see terraced fields on the slopes. Farmers grow buckwheat and potatoes and Yaks graze near meadows. We will then cross a stream at Thul Ghyang, followed by a wooden bridge spanning the water. From there, the path climbs steadily as we gain 550 meters over 10 kilometers. The ascent takes 5 to 6 hours. The trail conditions are dry and well-marked and we pass chortens with prayer flags. Soon after, we will reach Serke Ghyang at around noon, one of the minor stops en route. The next section is exposed with no tree cover. After a while, the final approach to Sermathang is steep, lasting about 45 minutes including over 150 stone steps. Our destination of the day sits at 2,250 meters above sea level. It is a small village with slate-roofed houses and the tea houses have rooms with wooden floors and thick blankets. Our dinner is served by 7 p.m., and the water at the tea houses is often boiled and safe to drink. We recommend trekkers carry reusable bottles to minimize waste. The village has a small monastery where monks chant evening prayers.
We wake in Tarke Ghyang at 6 a.m. and start the 5th day of the Helambu Trek with breakfast. We eat early to start walking by 7. The trail to Sermathang is 14 kilometers long, with an estimated duration of 6 to 7 hours. We carry water, snacks, and a weather-proof jacket since the weather changes fast at this elevation. The path begins with a steep descent and we drop about 600 meters in the first 3 kilometers. The stone steps and packed dirt lead through pine and rhododendron forests. We cross small streams on wooden footbridges and reach a dirt trail. Some of the bridges en route might appear old and unsteady, but they are completely safe.
At 2,800 meters, we reach a valley and the trail immediately flattens. We walk past terraced fields where farmers grow buckwheat and potatoes. Soon after, we will enter the village of Sermathang by noon, passing chortens and other small settlements. After a 45-minute break, you can explore the village on your own, before calling it a night. Serma means “horse hair” in Tibetan. Locals say a lama’s horse left its hair here during a pilgrimage, and then the name stuck. We can see small monasteries where a 100-year-old statue is on display.
On the final trekking day of the Helambu Trek, the trail descends from 2,200 meters to 700 meters in Melamchi Bazaar. The total trek distance of the day is 13 kilometers, which takes about 4 to 5 hours of walking. The path is well-marked with stone steps and dirt trails that lead downhill. We walk through Thulo Bangal, a small village with red-tiled roofs. You can see farmers work in terraced fields where potatoes, radishes, and millet are planted. The descent eases near Sermathang Kharka and the forest thins. From there, we reach the Melamchi River where a concrete bridge marks the final approach. After a while, we will get on the ride to Kathmandu, which takes 3 to 4 hours.
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