The last village before Gorak Shep
Lobuche sits at 4,940 m along the Khumbu Glacier's lateral moraine, the final proper village before Gorak Shep (5,164 m), and the staging point most itineraries use the night before the Base Camp and Kala Patthar push.
Terrain and setting
The trail here runs directly alongside the Khumbu Glacier's moraine wall, and the landscape shifts noticeably from Dughla's open ridge to a starker, rockier corridor with Nuptse and the glacier's tumbled ice visible for much of the walk.
Facilities at altitude
Lobuche's teahouses are basic and among the more expensive on the route, since every supply has been carried in by porter or yak from villages a full day's walk or more below, and thin air at nearly 5,000 m makes sleep noticeably lighter for most trekkers.
The push to Gorak Shep
The walk from Lobuche to Gorak Shep gains roughly 220 m over about three hours, a test of acclimatisation given the elevation. Most itineraries continue to Base Camp the same day, 7-8 hours and 13 km in total, then climb Kala Patthar before dawn the next morning.
A high-altitude science station nearby
Roughly a half-day's walk from Lobuche, at 5,050 m near the base of Everest, sits the Pyramid International Laboratory-Observatory, an Italian-founded research station shaped like a glass pyramid. Inaugurated in October 1990 under Professor Ardito Desio and Agostino Da Polenza, it has hosted research on high-altitude human physiology, atmospheric pollution, and glacier and climate change in the Khumbu. It closed for a period after 2013 and is reported to have resumed under Nepal's Academy of Science and Technology, so ask locally about its current status before detouring.