..from Lobuche to Gorak Shap on the way to Everest Base Camp 5360 m the trail goes directly up the Terminal moraine of the Khumbu Glacier . The first first section of the trail follows the western side of the Broad Khumbu valley and ascends gently through meadows beside the glacial moraine . the ascent becomes steeper and rougher as it crosses several side moraines ,although the trail is usually well defined .In places , however , an active glacier is under the moraine , so trail is constantly changing. route- finding techniques include looking for stone cairns as markers and watching for traces of yak dung - a sure sign of the correct trail !
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