The Molnár János Cave is a thermokarstic water-filled cave system. It is located in the Rózsadomb district of Budapest in Hungary.[1]
The deepest sections reach 100m (300feet), while the total length of explored sections is currently 5.5km (03.4miles). The cave mouth is just 200m (700feet) from the Danube.[1]
In 2008, a cave lake was found there, with largest chamber roughly 86m (282feet) long, 27m (89feet) wide and 15m (49feet) high.[2]