For your guests
Pick a date, time and party size, add their details, then review and pay. Three quick steps on a phone, and no account to create. Go ahead, book a float.
Built for phones
Big targets, no account to create, and a secure card checkout.
Waivers before the trip
Every confirmation carries a signing link, and walk-ups can sign on a tablet at the counter.
Quotes they can pay
Quote a group over the phone. They review, accept and pay from one secure link.
Reminders that go out on their own
Trip and waiver reminders by email, with your logo and your wording. By text, too, for guests who opt in.
Half-Day Canyon Float
4 hours · Guided · Ages 8+ · $89 per person
October 2026
Sat, Oct 17
Guests
Ages 8+
Powered by 
On your website
Booking in your site. Or on your domain.
Embed the booking pages inline in the site you already have, with your trips, prices and live availability. Guests never leave your page. Or run booking white-labelled on your own domain.
<script src="https://book.outpost.os/granite-river.js"></script>
After they book, it keeps working.
Right away
Confirmation and waivers
Trip details plus a waiver signing link for everyone in the party.
Before the trip
Trip reminder
A reminder before the trip, and a nudge for anyone still missing a waiver.
If a balance is due
Balance reminders
Groups that paid a deposit on a quote get reminded when the balance is due.
After the trip
A review ask
A follow-up email asking guests to leave a review.