On 25 April and 12 May 2015, two huge earthquakes hit Nepal, killing 9,000 people, injuring 22,000, and depriving half a million families of their homes. WaterAid provided emergency water, sanitation and hygiene (WASH) support to communities. Having our staff and projects affected so deeply and deploying an emergency response are both exceptional events for WaterAid, so we conducted a learning review in September 2015. This brief presents the key lessons.