Thank you for submitting your registration details, you will receive a copy of your registration details to the email address you provided. To secure your spot on the trip, please submit your payment below.  Once you have submitted your payment, your registration will be complete. You can use the trip cost calculator below, or enter the amount from your registration details.

If you have any questions about payment please contact Jamie Chen at or (206) 382-5565.

What happens if you need to cancel? Learn about our refund policy.

Upper Yakima River Float Trip – $85/person

  • Please enter the number of participants to view your total.
  • $0.00

Please enter your trip total cost into the “Payment Amount” field and proceed to submit your payment. Once submitted you will receive a receipt and confirmation email. 

The Mountains to Sound Greenway Trust is dedicated to making an affordable, high-quality outdoor experience available for everyone. Would you like to donate to help offset costs for youth and other participants with financial need?