Earlier this week, I visited nearby Turda to visit the town and historic salt mine. Reaching the town is simple: a FANY (public) bus runs from Cluj several times each hour, takes 30-45 minutes depending on traffic, and costs only 7 RON (less than $2) each way. Once in Turda, you must hail a taxi to deliver you to the main entrance of the salt mine (Salina Turda); my cab cost 12 RON ($3). Entrance to the mine is 15 RON. You should plan on a minimum of two hours to walk the long underground access tunnel and to explore the main chambers of the mine. This is a great half-day trip from Cluj, and I recommend it heartily.