The Fortress in Komárno is located at the confluence of the Danube and Váh rivers, at the eastern edge of the Great Rye Island and it is accessible from all the main roads leading from Bratislava, Nové Zámky and Hungary.

The main gate of the Fortress can visitors reach on foot and on bike (the cycling route EuroVelo 6 leads along the Fortress) or by car from Hradná Str. There is a big parking lot in front of the Fortress, which is also suitable for buses (GPS coordinates: 47°45'19.6"N 18°08'01.5"E).

The ticket office of the Fortress is located 200 m towards the city centre, at the back of the building of the City Police, Hradná Street. no. 3692 (GPS coordinates: 47°45'19.7"N 18°07'57.8"E).

200 m from the ticket office towards the city centre, on Vnútorná okružná Str., there is a bus stop, lines no. 2, 3, 7 and 8. Bus stop: Vnútorná okružná - park.

Visitors should bring torches with themselves as the route leads through dark underground passages.