Permits · Colorado
Dinosaur National Monument - Split Mountain Permits — a bookable permit listing on Recreation.gov, at Dinosaur National Monument. The agency's own description and rules below; permit systems run on lotteries and windows, not cancellation markets.
Overview: Welcome to the Split Mountain daily section permit site for Dinosaur National Monument -- home to the Green and Yampa Rivers, two of the west's premiere whitewater rivers. This is where you can obtain rafting permits for one day trips launching at Rainbow Park and taking out at Split Mountain.
| Type | Permit — bookable via Recreation.gov |
|---|---|
| Area | Dinosaur National Monument |
| Managed by | National Park Service |
| Location | Colorado |
| Official listing | Recreation.gov — Dinosaur National Monument - Split Mountain Permits |
Wilderness and backcountry permits do not work like campsites, and this page will not pretend otherwise. Some of these listings are lotteries with fixed application windows and published odds; others release first-come on a schedule; many do both in sequence. The official description above — quoted from the managing agency — states which one this is, and it outranks any general guide, including ours. Three rules that hold across the family:
The park guide ties this permit to the area's campgrounds and frontcountry options.
The listing's own description, quoted on this page, states the allocation method — many famous permits run a lottery phase followed by a first-come remainder. Trust the listing text over any summary.
Lottery-allocated permits do not recycle into a public first-come calendar. If this listing runs a day-before or remainder draw, the description says so — that draw is the legitimate second chance.
No. Permits are issued to named applicants through the official system; we publish the data, the calendars, and the odds — and watch the bookable campgrounds around them.
Every figure in this article traces to one of the sources above. If a number isn't sourced, we don't print it.
Last updated 2026-10-30.