Douville practices scuba diving, karate, alpine skiing, kayaking, fencing and mountaineering. She climbed Mount Kilimanjaro and to Everest Base Camp. The journalist has taken part in several rally raids (long-distance off-road races), including the all-female Raid Amazones. With Louise Bergeron, she won the 2002 edition of the Rallye Aicha des Gazelles in Morocco.