Most people who go to the Khumbu do one thing: they walk to Everest Base Camp, snap a photo beside the prayer flags, climb Kala Patthar for the classic sunrise shot, and fly home. It's a genuinely great trek. It's also, in a very real sense, only half the story. Tucked around the edges of that famous trail, connected by three passes that all sit above 5,300 meters, is an entire second circuit that most Base Camp trekkers never touch: the glacial lakes of Gokyo, the remote high valleys above Thame, and some of the most demanding, most rewarding trail in the entire Everest region.
The Everest Three Passes Trek links all of it together. Instead of walking up to Base Camp and back down the same trail, you circle the whole heart of the Khumbu, crossing Kongma La at roughly 5,535 meters, Cho La at around 5,420 meters, and Renjo La at approximately 5,360 meters, while still hitting every headline landmark along the way: Everest Base Camp itself, the sunrise from Kala Patthar, and the turquoise chain of Gokyo Lakes beneath the Ngozumpa Glacier, the largest glacier in the Himalaya. It's widely considered the toughest standard trekking route in the Everest region, and it's just as widely considered the most complete.
This guide covers a full 18-day version of the Everest Three Passes Trek, the upper end of the 16 to 18-day range most operators run, giving the itinerary enough breathing room for proper acclimatization across three separate 5,000-plus-meter crossings rather than rushing the hardest trek in the Khumbu on a tight clock.
The Everest Three Passes Trek isn't really a separate trail from the Everest Base Camp trek or the Gokyo Lakes trek. It's both of them stitched together, plus a third, quieter valley above Thame, connected by three high passes that most standard itineraries simply don't cross. Base Camp trekkers walk up the Khumbu Glacier's western moraine and back down the same way. Gokyo trekkers walk up a separate valley to the west and back down that same way too. The Three Passes route refuses to double back on itself. You walk up one valley, cross a pass into the next, walk up that valley, cross another pass into the next, and so on, covering roughly 130 to 150 kilometers of genuinely varied terrain by the time you're done.
Each of the three passes has its own personality. Kongma La, at approximately 5,535 meters, is the highest of the three and widely considered the toughest, a long, steep, rocky ascent from the Chhukung side, with Mount Lobuche blocking the view of Everest itself from the top, though the south face of Lhotse and the Nuptse ridge more than make up for it. Cho La, at roughly 5,420 meters, is the technical heart of the trek, a genuine glacier crossing with icy, sometimes slippery terrain that connects the Khumbu side of the region to the Gokyo Valley, and it's the pass most sensitive to weather and visibility. Renjo La, at approximately 5,360 meters, is generally regarded as the easiest of the three, gentle enough that local yaks are sometimes used to carry supplies across it, and it rewards you with what many trekkers call the single best panoramic viewpoint in the entire Khumbu: Everest, Lhotse, Makalu, and Cho Oyu all visible at once, with the Gokyo Lakes shimmering turquoise far below.
Operators run this trek in either direction. The clockwise route crosses Renjo La first, while the counter-clockwise route, the version this guide follows, tackles Kongma La first. Most guides consider the counter-clockwise direction the safer choice for acclimatization, since by the time you reach Kongma La, the highest and arguably hardest of the three passes, you've already completed two full rest days and a steady, gradual climb through the standard Everest Base Camp acclimatization schedule. Saving Renjo La, the gentlest pass, for last means your body is tackling the most demanding crossing earliest, while you still have the most energy and the most acclimatization buffer behind you.
Beyond the passes themselves, this route delivers essentially every headline landmark the Everest region has to offer in a single trip: Everest Base Camp and the Khumbu Icefall, the sunrise views from Kala Patthar, the full chain of Gokyo's glacial lakes with the option to push further to the fourth and fifth lakes, and Thame, one of the oldest Sherpa settlements in the Khumbu and the ancestral village most closely associated with Tenzing Norgay, the first man to summit Everest alongside Edmund Hillary. Very few single treks in Nepal manage to combine this much scenery, history, and genuine physical challenge into one continuous circuit.
| Feature | Details |
| Duration | 18 Days (Kathmandu to Kathmandu) |
| Highest Point | Kongma La, approximately 5,545 meters |
| Other High Points | Cho La (~5,420m), Renjo La (~5,360m), Kala Patthar (~5,545m), Everest Base Camp (~5,364m) |
| Trek Difficulty | Strenuous — the most physically demanding standard trekking route in the Khumbu |
| Best Seasons | Spring (March–May) and Autumn (September–November) |
| Accommodation | Teahouses throughout, though facilities thin out considerably on the quieter Kongma La and Renjo La sections |
| Permits Required | Sagarmatha National Park entry permit and Khumbu Pasang Lhamu Rural Municipality entry permit |
| Total Distance | Approximately 130–150 km |
| Route Direction | Counter-clockwise (Kongma La first), generally considered the safer acclimatization option |
| Prior Experience | Strongly recommended; not considered suitable as a first trek in Nepal |
| Day | Route | Highlight | Altitude | Difficulty |
| 1 | Arrive in Kathmandu | Airport transfer, trek briefing, permits | 1,400m | Easy |
| 2 | Fly Kathmandu to Lukla, trek to Phakding | First steps on the Everest Trail | 2,610m | Easy-Moderate |
| 3 | Phakding to Namche Bazaar | Enter Sagarmatha National Park | 3,440m | Moderate |
| 4 | Acclimatization day in Namche Bazaar | Hike to Khumjung or Everest View Hotel | 3,440m | Active Rest |
| 5 | Namche Bazaar to Tengboche | Famous monastery, first big Everest views | 3,870m | Moderate |
| 6 | Tengboche to Dingboche | Walled barley fields, Ama Dablam close up | 4,410m | Moderate to Tough |
| 7 | Acclimatization day in Dingboche | Hike up Nangkartshang Ridge | 4,410m | Active Rest |
| 8 | Dingboche to Chhukung | Staging point for the first pass | 4,730m | Moderate |
| 9 | Chhukung to Lobuche via Kongma La Pass | The first and hardest pass | 5,535m, settling at 4,940m | Extreme |
| 10 | Lobuche to Gorak Shep, Everest Base Camp, return to Gorak Shep | Standing at the foot of Everest | 5,364m (EBC), 5,170m (Gorak Shep) | Tough |
| 11 | Gorak Shep to Kala Patthar (sunrise), trek to Dzongla | The classic Everest viewpoint | 5,545m, descending to 4,830m | Tough |
| 12 | Dzongla to Thangnak via Cho La Pass | The second pass, a genuine glacier crossing | 5,420m, settling at 4,700m | Extreme |
| 13 | Thangnak to Gokyo | Turquoise glacial lakes | 4,790m | Moderate |
| 14 | Acclimatization and exploration day at Gokyo | Gokyo Ri, fourth and fifth lakes | 4,790m (or 5,357m with Gokyo Ri) | Active Rest to Tough |
| 15 | Gokyo to Lungden via Renjo La Pass | The third and final pass | 5,360m, settling at ~4,380m | Extreme |
| 16 | Lungden to Namche Bazaar via Thame | Historic Sherpa village, closing the circuit | 3,440m | Moderate |
| 17 | Namche Bazaar to Lukla | Final trekking day | 2,840m | Moderate |
| 18 | Fly Lukla to Kathmandu, final departure | Return to the city, farewell | 1,400m | Easy |
This Is Not a First Trek in Nepal. Multiple guides and operators are direct about this: attempting the Three Passes Trek without prior high-altitude trekking experience is genuinely risky. A prior trek like Everest Base Camp or Annapurna Base Camp is strongly recommended before attempting this route.
Pack a Lunch for Pass Days. There's no teahouse access between Chhukung and Lobuche on Kongma La day, and food options are similarly sparse around Cho La and Renjo La. Carry enough calories and water for a genuinely long day each time.
Weather Decides Cho La, Not Your Schedule. The glacier crossing near the top of Cho La is genuinely weather-sensitive. If your guide recommends waiting a day for better conditions, that's not overcaution, it's the difference between a manageable crossing and a dangerous one.
Choose Your Direction Deliberately. The counter-clockwise route, crossing Kongma La first, is generally considered the safer choice for acclimatization, since it saves the gentlest pass, Renjo La, for last, after your body has adjusted the most. Discuss this with your operator rather than assuming direction doesn't matter.
Respect the Memorials Near Thukla. The stretch of stone memorials for mountaineers lost on Everest, including well-known names like Scott Fischer, Rob Hall, and Babu Chiri Sherpa, is a genuinely solemn place for many in the climbing community. Walk it thoughtfully.
Permits Are More Straightforward Than Some Restricted Routes, But Still Necessary You'll need a Sagarmatha National Park entry permit and a Khumbu Pasang Lhamu Rural Municipality entry permit, both of which your operator arranges. Unlike some other regions in this guide's series, no special restricted-area permit or minimum group size is required here.
Insurance Needs Genuine High-Altitude Coverage With three separate crossings above 5,300 meters and long, remote stretches between teahouses, standard travel insurance often falls short. A policy covering trekking to at least 6,000 meters, including helicopter evacuation from remote sections of the route, is essential.
Facilities Thin Out Considerably on the Quieter Sections While Namche Bazaar and the main Base Camp trail offer well-established teahouses, the stretches around Chhukung, Lobuche's approach via Kongma La, and the Lungden to Thame section are considerably more basic. Set your comfort expectations accordingly.
Weather Windows Can Force Real Delays Between three separate high-altitude crossings, this itinerary has less built-in buffer than some other treks in this guide's series. If your operator's version doesn't include a reserve day, ask about one, particularly around Cho La, the most weather-sensitive of the three passes.
The Everest Three Passes Trek is graded strenuous, and it genuinely is. You should be someone who:
First-Time Trekkers in Nepal. This isn't the trip to test your body's response to altitude and long trekking days for the first time. Build experience on the standard Everest Base Camp trek or a comparable route first.
Anyone With Serious Heart, Lung, or Circulatory Conditions. The combination of sustained high altitude across three separate 5,000-plus-meter crossings puts real strain on the body. A thorough medical check beforehand is essential.
Trekkers on a Tight, Inflexible Schedule. Weather delays around Cho La in particular are common enough that a rigid international flight schedule genuinely risks missing a safe crossing window. Build in flexibility wherever you can.
Because this trek combines standard teahouse trekking with three genuine high-altitude pass crossings, including one real glacier traverse, your gear list needs real range.
The Big Essentials
Traction and Technical Gear
Upper Body Layers
Lower Body Layers
Hands, Head, and Eyes
Feet
Personal First Aid and Health
Documents and Logistics
Extras Worth Carrying
Ask trekkers who've done both the standard Everest Base Camp trek and the full Three Passes circuit which one stayed with them longer, and the Three Passes usually wins, not because Base Camp isn't spectacular, but because this route simply shows you more of everything: three genuinely different high-altitude crossings, each with its own character; the full turquoise sweep of Gokyo's lakes alongside the world's largest Himalayan glacier; the solemn weight of the mountaineering memorials near Thukla; and the quiet, historic village of Thame, closely tied to the very first ascent of Everest itself. For trekkers who've already done a standard Base Camp trip and want the complete Khumbu experience rather than a repeat performance, this is that trek.
Generally not recommended. Multiple operators are direct that prior high-altitude trekking experience, ideally including a trek above 4,000 meters, is strongly advised before attempting this route.
Kongma La, at approximately 5,535 meters, is generally considered both the highest and the most physically demanding, involving a long, steep, rocky ascent. Cho La is considered the most technically serious due to its glacier crossing, while Renjo La is generally regarded as the easiest of the three.
Counter-clockwise, crossing Kongma La first, is generally considered the safer choice for acclimatization, since it saves the gentlest pass, Renjo La, for last after your body has had the most time to adjust. Some trekkers prefer the clockwise direction, arguing it distributes effort differently; discuss the tradeoffs with your operator.
No formal climbing skills are required, but the Cho La crossing does involve genuine glacier terrain that can require microspikes or crampons depending on conditions. Comfort with exposed, sometimes icy terrain is a genuine asset.
A Sagarmatha National Park entry permit and a Khumbu Pasang Lhamu Rural Municipality entry permit. No special restricted-area permit or minimum group size is required for this route.
Spring (March to May) and autumn (September to November) offer the most stable weather and clearest views across all three passes. Winter is possible for experienced, well-equipped trekkers but brings serious cold and potential pass closures due to snow.
No. Everest is visible from both Cho La and Renjo La, but the view from Kongma La is blocked by Mount Lobuche, even though it's the highest of the three passes.
A standard Everest Base Camp trek typically runs 12 to 14 days. The Three Passes Trek runs longer, generally 16 to 18 days, or occasionally up to 20 to 21 days on more relaxed itineraries, reflecting the additional distance and the extra acclimatization needed for three separate high-altitude crossings.
Some operators run tighter 15-day versions with longer daily walking hours, suited to very fit, experienced trekkers. Others extend to 19 to 21 days, adding extra acclimatization days or a reserve day for weather delays around Cho La. Given the physical demands involved, a longer, well-paced itinerary is generally the safer choice for most trekkers.




