Our Thursday was at Slidewaters in Chelan, a cozy water park that was perfect for a 103 F day. There were 4 slides that were most popular with the kids: the Yellow Tubes (a group-type tube ride that splashes into pools), the Green Tubes (a double tube that goes fast), the Purple Haze (enclosed, pitch-black darkness), and the speed mats. Once in a while, we'd go in the lazy river:
The entire group stayed in a rented cabana, giving us a home base. For dinner, we headed up to CityWave to watch the surfers and enjoy smoothies: