In British Columbia, Vancouver’s winter rains can make a Stanley Park visit dreary and walking the seawall with a toddler sheer drudgery. But in East Vancouver’s Riley Park neighborhood, The Aquatic Centre at Hillcrest Park is the perfect way for a family to splash away the doldrums. This 66,500 square foot water zone — and Olympic legacy facility — is now the largest pool in Vancouver, and includes a 70-person hot tub, separate dive and 50-meter lap swim tanks (with moveable floors), plus a lazy river and children’s area with playful fountains, showers and toys. The depth of the children’s pools is under 1 meter (a little over three feet), but there’s a zero-depth…