Tumbat began mountain climbing at age 17 in the Mountaineering & Winter Sports Club of the METU. She was on the top of more than 30 high-elevation mountains in Turkey, Russia, Georgia, Nepal, Argentina, and the US so far. Her doctoral thesis was on the subject of marketing and consuming risk. To study the subject, she joined a group of mountain climbers at the main camp at Mt. Everest in 2004.