Mom and sons under waterfall at waterpark

Friday Nights

FRI-YAY

$20 Juniors | $25 Adults

Unleash Friday Fun!

Thank goodness it's Friday and Fri-YAY! at Avalanche Bay, Michigan's largest indoor waterpark! Ditch out on work a touch early, grab the kids from school, and make your way to 88,000 square feet of waterpark wildness Friday nights, September 5 - December 12 and SAVE!*

We're making summer arrive early with 84° nights that will have you lounging and laughing for hours.

Access from 4PM - Close
$25 Adults | $20 Junior
Après Ski Pub
Pint of Bell's Oberon | $6
Snack Shack
Slice of Pizza & Pop | $6

FRI-YAY FUN

Splashy Details

September 5 - December 12, 2025*
Fridays from 4PM - Close
$25 Adults | $20 Juniors

Buy Now

*Offered on Friday evenings starting September 5 - December 12, excluding November 28, 2025. Discount price reflected in online store and also available for walk-up purchases at the waterpark kiosk. No additional discounts apply to passes or food and beverages. Restrictions may apply.

01 / 02

Sip, Sip, Hooray

Fri-Yay Specials

Après Ski Pub

Pint of Bell's Oberon | $6

Snack Shack

Slice of Pizza & Pop | $6