Oasis Waterpark is open daily from 8am - 9:30pm ("Waterpark Access" room must be booked to access Oasis Waterpark, Hotel Guests only, no outside guests permitted.) Enjoy onsite dining in Color's Bistro, Henry's Pub and Barlow's Lounge. Located in the North East Calgary business district, just fifteen minutes from Downtown and YYC, the Sheraton Cavalier Calgary is North East Calgary’s destination hotel, with ample free parking and onsite event facilities for up to 400 people. The locally famous Oasis Waterpark features a kiddie pool, two hot tubs, swimming pool and two giant waterslides.