1. From Kathmandu: Everest High Passes 20-Day Trek
Trek through incredible landscapes while you soak in fantastic ancient cultures and unsurpassed views of snow-capped mountains on the "Everest High Passes 20-Day Trek," also known as "The Everest Circuit Trek." Visit Lower Khumbu, the three highest passes in the Khumbu region — namely, Renjo La, Cho La, and Kongma La — and Everest Base Camp. Marvel at the landscapes that stretch as far as the eye can see on an extended trekking tour that will challenge you at times, but also provide you with a memorable and unique experience in the Himalayas. Itinerary: Day 1: Arrival at Kathmandu. Meet at the airport and transfer to the hotel. Day 2: Trek preparation day in Kathmandu. Overnight at a hotel in Kathmandu. Day 3: Flight to Lukla and trek to Phakding. 40-minute flight followed by a 3-hour hike. Day 4: Trek to Namche Bazaar (3,440 meters/11,285 feet). 6-hour hike. Day 5: Hike to Khumjung Village. 4–6 hours hiking. Day 6: Trek to Thame. 4-hour hike. Day 7: Trek to Lungdeng, 5–6 hours hiking. Day 8: Trek to Gokyo (4,790 m/15,715 ft) via Renjo La Pass (5,360 m/17,585 ft) 6–7 hours hiking. Day 9: Trek to 5th Lake and back to Gokyo. 4–5 hours hiking. Day 10: Trek to Gokyo Ri (5,360 m/17,585 ft) and trek to Dragnag (4,700 m/15,420 ft) 7–8 hours hiking. Day 11: Trek to Dzongla (4,830 m/15,845 ft) via Cho La Pass (5,420 m/17,780 ft). 6–7 hours hiking. Day 12: Trek to Lobuche. 3–4 hours hiking. Day 13: Trek to Gorakshep (5,140 m/16,860 ft). Visit to Everest Base Camp (5,364 m/17,598 ft). 6–8 hours hiking. Day 14: Trek to Kala Pattar (5,550 m/18,210 ft). Down to Lobuche (4,910 m/16,110 ft). 5–6 hours hiking. Day 15: Trek to Dingboche (4,410 m/14,470 ft) via Kongma-La Pass (5,535 m/18,160 ft). 7–8 hours hiking. Day 16: Trek back to Tengboche (3,860 m/12,665 ft). Visit Tengboche Monastery. 4–5 hours hiking. Day 17: Trek back to Jorsalle (2,740 m/8,990 ft) 5–6 hours hiking.Day 18: Trek back to Lukla. 5–6 hours hiking. Day 19: Fly back to Kathmandu. 45-minute flight. Day 20: Transfer to the international airport.