The casino completed a $7 million renovation in 2017. As of June 2019, the casino's day-to-day operations are managed by Mohegan Gaming and Entertainment, owner of Mohegan Sun. The casino is owned by the Ontario Lottery and Gaming Corporation. Apart from the pandemic, the casino has operated for 25 years. How to Get to Seneca Niagara Casino from Clifton Hill: 1) By Car (Around 6 minutes or more depending on border traffic, 1. Casino Niagara has over 1,300 slots and over 40 table games, as well as sports betting. Click here or call 1.877.8.SENECA (1-87) to reserve your room today. It is the second casino to open in Ontario and the first to feature electronic roulette. With a prime location beside Clifton Hill, it was originally conceived as a temporary facility until Niagara Fallsview Casino Resort opened but has remained open as a permanent facility. It opened on December 9, 1996, on the site of the former Maple Leaf Village amusement park.