Use promo code: JULY4 (must book on this website) and save 10% on Boulder Memorial Day Weekend 2026 tours, tickets, events, and things to do. Pick your tour below and use code JULY4 (savings are shown at checkout). The JULY4 Promo Code discount cannot be used with other promotions, is only redeemable on Cool Shore Excursions, and is a limited-time offer, so reserve your spot today while it lasts!
Boulder 4th of July activities 10% Promo Code (Updated 2026)

Climb from the streets of the "Mile High City" to Rocky Mountain National Park, on a day trip that showcases the rugged beauty of Colorado's...
$215

