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Learning Rocks

Geology – Desolation Canyon – Green River

Length

5 days

Meeting Point

Green River, UT

Difficulty

Class III (beginner)

Minimum Age

6+ years

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rafting on the Yampa River
Overview

Float through time on a Geology River Trip; where our expert guide brings the canyon walls, ancient layers, and stories of Earth’s past, to life.

This year, our seasoned veteran Dave Cook has decided to tour Desolation Canyon. This wonderful 6 day trip winds through some of the deepest canyons in Utah, providing excellent opportunities for rapids, rocks, and relaxation. We are so honored and lucky to have Dave Cook with us again. He’s been provided excellent learning opportunities on our trips for over 10 years! Dave knows tons about rocks and deserts, history, hiking, and John Wesley Powell. And he likes to share all that knowledge in a fun and accessible style. Even if you don’t think you are even remotely curious about geology, Dave is sure to find something to get you to think about. And once you start, well, we’re sure you’ll have a lot of questions.

These trips are built like our standard river journeys. With all the rafting, campfire meals, swimming holes, and wild beauty you expect, but elevated by the presence of a professional geologist. Whether we’re running through Weber sandstone, exploring red rock walls, or tracing volcanic and glacial history, you’ll gain a new lens for landscape.

Known For
Utah's deepest canyon to raft
Group Size
10-20
In a Word
Picturesque

Included A scenic backcountry flight to start, and transfer back to Green River, UT to end; all camping gear including thick comfortable sleeping pads, sleeping bags and tents; all taxes and hidden fees
What to Bring See packing guide
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The rock star of the show

Meet Dave Cook

Dave Cook is a Principal Geologist with Aspect Consulting in Seattle, Washington. He received a bachelor’s degree in Geology from Wittenberg University in Springfield, Ohio; completed his geologic field camp near Bozeman, Montana; and obtained his master’s degree in Geology from Northern Arizona University in Flagstaff, Arizona. It is in Flagstaff where things got interesting for Dave. He learned to backpack and survive with limited water in extreme desert conditions, and figured out that the west is where he needed to spend his life. And, after his first brutal 14-mile hike to his thesis area in the Grand Canyon, he learned that rafting 60 miles downriver was a far more pleasant way of accessing geology in its natural state than hiking. He knows a lot about rocks and enough about history, science, John Wesley Powell, water crises, alternative energy, soccer, and Rhodesian Ridgebacks to make this a very interesting trip.

Trip Details

Geology trips are an extra special way to get a little something extra out of your river trip.

Expect geology to be woven into every part of the trip: morning discussions and interpretive stops, afternoon floats with geology stories framed by horizon and river, and star-filled nights when conversation turns to ancient seas, uplift, erosion, and fossils. No prior experience required—come curious, bring your wonder, and we’ll handle the rest.

A downloadable pdf of the Green River Desolation Trip can be found below.

If you still have questions, please feel free to call us (209-962-7873) or email us (arta@arta.org). We love to talk about our trips!

Getting There

This Trip Will Begin and end at:

River Terrace Inn, Green River UT

1740 East Main Green River, UT 84525

Meeting Time: 8:00pm the evening before your trip begins, we will meet you at River Terrace Inn, Green River UT. We’ll give you your waterproof bags, go over final trip logistics, and answer any last minute questions.

Return Time: 3:00 pm the final day of the trip

Get Directions
Before Your Arrival

Transportation is available between Grand Junction and Green River by renting a car or by chartering a flight with Redtail Aviation. Ground transportation in Green River should be arranged with your motel, (the River Terrace has been accommodating in the past).

River Terrace Inn, Green River UT

Itinerary

Subject to change due to flows

Day Before Your Trip Begins

We’ll meet you at 8:00 pm the evening before the trip begins at the River Terrace Inn (1740 East Main Street) in Green River, Utah for a pre-trip orientation meeting.

We’ll give you your dry bags, go over final trip and shuttle information, and answer last minute equipment questions.

 

Day 1

We will reconvene early in the morning at the airport in Green River and take a scenic 40-minute flight to the launch site at Sand Wash. We’ll land on a mesa above the river and take a short downhill hike to our rafts at the boat ramp. After a thorough safety briefing and trip orientation, we will launch and begin our adventure down the Green. The first day has no rapids, giving us time to get accustomed to our boats and ease into the rhythm of the trip.

Day 2-5

A typical day on the Green starts with coffee and a hearty breakfast before we pack our bags and load on to the boats. We will float an average of 12 – 18 miles, (4 – 5 hours), each day, stopping for lunch and perhaps to take a short hike or look at an historical site. The canyon contains extensive petroglyphs and a couple of abandoned ranches and was a favored hideout for Butch Cassidy’s Wild Bunch; there are plenty of places to explore. The rapids build in frequency and difficulty as we head downstream, with the biggest rapids coming on days 4 and 5. Camp will be made in the late afternoon with early evening available for hiking, swimming or relaxing.

 

Final Day (Day 6)

Our last day on the Green will bring us slowly back into civilization. We’ll run some rapids in the morning and then have lunch before an early afternoon take-out at Swaysey’s Boat Ramp and a short van ride back to our vehicles at the Green River airport.

What's Provided

We Will Provide
  • A scenic flight from Green River to the launch site at Sand Wash.
  • Transportation from the river back to Green River.
  • Friendly, professional guide service.
  • All meals from lunch on the first day to lunch on the last day.
  • All camping gear (freshly laundered sleeping bag, liner, self-inflating pad, two-person tent).
  • Waterproof bags, lifejackets, and other specialized river touring equipment for the trip.
  • Camp chair, plate, eating utensils and mug.
  • All taxes and government access fees.
What you are responsible for
  • Meals and lodging before and after your trip.
  • Personal clothing and other miscellaneous items.
  • Soda, wine, alcoholic beverages.
  • Guides gratuities.
https://www.arta.org/wp-content/uploads/2025/10/ARTA-Desolation-Canyon-CB-160-Rafting-scaled.jpg

On The River

Types of Boats

  • Oar Rafts

    Oar rafts are 18 feet long, carry all of the overnight gear and up to 5 guests. They are rowed by a guide using oars attached to a metal frame. You ride in the front, hang on through the rapids and relax in the calm stretches.

  • Inflatable Kayaks

    Inflatable kayaks are 10 – 12 feet long and are paddled by 1 or 2 people using double-bladed paddles. They are fairly stable, require no previous experience, and allow you to feel the thrill of independently paddling the river.

    Please note that we do not guarantee space in the inflatable kayaks.  We’ll bring as many as we can, but if there are more people who wish to ride in the inflatable kayaks than there are spaces, we will rotate so that everyone gets a chance to participate.

Meals & Drinks

  • ARTA meals are AMAZING! Guests are often shocked at how wonderful our meals are in a back-country setting. We bring the highest quality ice chests to keep meats, fruits and veggies fresh for the duration of the trip. Meals are designed for foodies (adults) and the occasional picky eater (kids!) alike. Guests can expect to start each day with fresh coffee and well-balanced breakfast, snacks are available throughout the day in the rafts, lunch is prepared riverside with many options, and appetizers are served to kick off the dinner hour early-evening with our main courses and desert to wrap up each day.

    We are happy to accommodate special dietary request/requirements. Please let us know in your pre-trip registration.

    We provide water, sports drink powder during the day, and hot coffee, tea, and cocoa in the morning. If you would like soda, beer, wine, or liquor at camp, please bring your own and we will have coolers/ice for you! Please bring beer/soda in cans, we can accommodate wine and liquor in glass bottles. Please bring what you plan to consume.

Camping

  • Overnight camping will be done at riverside beaches with spectacular views of the river and canyon. Guides will set up a full kitchen, dining area, drink and appetizer zone, and our ‘living room’ with chairs set up for each guest, a library of books and camp games. Guests will have the freedom to explore and pick out their own unique spot to set up their tents away from the central area, and guides are available to help.

    Our toilet facilities, and a hand-wash station will be set up in an isolated (and usually beautiful) location; going to the bathroom in the wilderness is surprisingly pleasant, keep in mind we set up the toilet facilities away from camp, a short walk to the toilet, often on uneven ground is part of the deal.

Weather

  • The weather along the Green River is usually sunny and hot with highs in the 90’s during the day and lows in the 60’s at night. The sun can be intense for those not used to it and lightweight cotton clothing, (synthetic, long-sleeved shirts, lightweight cotton pants, sun-hoodies, etc.), and sunscreen along with a hat should be worn. The water temperature is cool in June and warm in July and August, but always provides a refreshing way to cool off. Wet, loose-fitting clothing and a wet hat provide natural air conditioning and help keep you cool. Rain, usually in the form of short thunderstorms, can occur at any time and good rain protection for both day and night (rainshell and tent) are advised. Desolation Canyon often experiences strong, afternoon winds, (always upstream), and our time on the river reflects this – expect early morning departures and early afternoon arrivals in camp.

Wildlife

  • Mule deer and big horn sheep inhabit the canyons and bird life is plentiful. Hawks, golden eagles, Canada Geese, falcons, and a wide assortment of smaller birds are commonly seen.

Fishing

  • Fishing in the Green River is not very good. There are two notable sidestreams, Ranch Creek and Range Creek, where we may stop and have an opportunity to fish for small trout. A Utah fishing license is required and should be obtained in Green River before the trip. Ultra-lightweight spinning or dry fly gear works best. Bring the minimum in a sturdy case.

Local Attractions

  • Within a day’s drive of Green River are Canyonlands, Arches, Capital Reef, Canyon de Chelley, and Mesa Verde National Parks as well as the town of Moab, the outdoor recreation capital of southern Utah. Desolation Canyon rafting trips make a nice, slow-paced addition to an extended road trip to the area’s iconic parks.

Travel Insurance

  • Because life is full of surprises, we suggest you consider purchasing supplemental travel insurance for your trip. Trip cancellation, evacuation, baggage loss and other coverages are available for between 8% and 15% of your trip cost. You can get more information through ASI Travel Insurance Services (please select American River Touring Association from the drop down menu).

Gratuities

  • If you truly enjoy your trip, tipping is a great way to show your appreciation. Tipping is optional and personal, but since a lot of people ask, a customary amount is between 15 and 20 percent of the trip cost. Tips can be given to the Lead Guide who will share them with the entire crew.

Packing Guide

Our trips are designed to be all-inclusive and comfortable.
Upon your arrival we will provide you and your group members with your waterproof dry-bags and instruction on how to pack. You won't have to worry about traveling with big bulky items: high quality tents, comfortable sleeping bags and big thick cozy sleeping pads, we got you covered. There are, however, a handful of recommended personal items that will make your trip more enjoyable, the underlying list is our recommendations.

Packing List

This list has everything we can think of for early-season trips; you can adjust it to fit your departure date (more layers early in the season), but you probably shouldn’t skip anything. Please limit your gear to around 20 pounds per person (airplane restrictions).

Camp Items

These will be packed in your camp dry bag and will generally not be available during the day.

  • Your favorite pillow
  • Sleeping Bag (Freshly laundered sleeping bags can be rented from ARTA)
  • Two changes of clothing (versatile pants and shirts, cotton is fine – something exciting for dinner is welcome!)
  • Extra swimsuits, shorts and T-shirts for in camp
  • Extra socks, (wool or fleece are best), and underwear
  • Camp shoes. Something you can walk and hike in comfortably (ultra-lite boots or trail-running shoes; our guides wear flip-flops in camp)
  • Sarong or small towel
  • Personal hygiene items, including medicine, insect repellent, soap/shampoo, dry-skin lotion, etc. Please bring double the amount needed of any essential medicine.
  • Warm jacket, (thick fleece is great – will work on-river as well – or compact/down coat).
  • Rain gear, (can double as on-river gear); top is essential, bottoms are advised if you get cold easily.
  • Small flashlight with extra batteries (headlamps are great).
  • Book, sketch pad, journal, etc.
Equipment We Provide

These items will be waiting for you at the launch site so you don’t have to travel with them.

  • 3" thick "Paco Pad" style sleeping pad
  • Two-person tent **Must be requested**
  • Camp chair
  • Plate, mug and eating utensils
  • Waterproof splash jacket (if necessary)
  • Neoprene wetsuit (if necessary)
  • Personal Flotation Device (PFD)
  • Drybags
River Items

These will be worn, or packed in your personal dry-bag and will be accessible during the day.

  • Sandals with heel strap (Chaco, Teva, Astral, etc.) or old running shoes.
  • Swimsuit or shorts. Nylon quick-drying shorts are best – women often prefer to wear shorts over their swimsuits.
  • Lightweight cotton or dry-tech style synthetic shirt, sun hoodies are great. If you get cold easily, a lightweight fleece top is handy.
  • Brimmed hat (baseball style or visor work best under helmet for inflatable kayakers – and a spare is a good idea).
  • Sunglasses with strap.
  • Waterproof sunscreen/block (SPF 30), lip balm.
  • Polypropylene or fleece top (essential).
  • Waterproof rainshell (essential) and rain pants.
  • Water bottle.
Pro Tip

Fleece and Polypro are generic terms for a spun, polyester fabric developed for outdoor use. It comes in various weights and does not absorb water, making it ideal insulation on a river trip. Layering various weights of polypro is a great way to stay warm even when wet.

It seems that children always get cold more easily, (and wet more often), than adults, so parents will want to make sure that their kids have at least two fleece tops and a waterproof rainshell. Fleece pants are also recommended.

Drinks

If you would like soda, beer, wine, or liquor at camp, please bring your own and we will have coolers & ice for you! Please bring beer/soda in cans. We can accommodate wine and liquor in glass bottles. Please bring what you plan to consume.

How to Dress

On Hot Days
You will want clothing that dries quickly (nylon shorts) and something to shield you from the sun, (long-sleeved shirt or sun hoodie). Also, a brimmed hat and a bandana are helpful for staying cool.
On Cool Days
You will want a thick, synthetic fleece top, (pullovers are best) and a sturdy, fully waterproof rainshell. You may also want fleece pants or polypropylene long underwear bottoms and rainpants, particularly before mid-July. Don’t bring a cotton sweatshirt and a windbreaker; cotton is worthless when wet and won’t work for on-river insulation and you need something waterproof over your fleece.
On Your Feet
You will want shoes that stay on if you go for a swim and are comfortable for hiking. Sport sandals with heel straps (Tevas, Chacos, Astral, etc.) work well, (buckles are better than velcro). Old running shoes work well and are easy to find. Neoprene, wool or fleece socks will add a bit of insulation under shoes or sandals. Wetsuit booties work but can be a bit clammy after a full day. “Aqua shoes” are great for the water park, not so good for walking on rocks.
In Camp
You will want comfortable walking/hiking shoes, (flip flops, lightweight boots or tennis shoes), and versatile clothing, (T-shirts, warm shirts, cotton shorts, jeans or sweats, extra fleece, etc). Cotton is fine for camp stuff, but because it is worthless for keeping you warm on the river, many people bring two sets of fleece – one for the river, one for camp – and have a backup in case one gets drenched.
    Pro Tip

    Layering your clothing is an effective way to adjust to the daily weather changes that you will encounter. A light polypropylene layer under a heavy fleece top under a rainshell will get you going on the chilliest of mornings and allow you to shed layers as the day warms up.

Schedule & Pricing

A deposit of $300 per person is due within seven days of making the reservation and the final balance is due 90 days before the trip departure date.

Deposit and Cancellation Policies

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Two people do yoga overlooking a river A group of rafts float down a scenic river A group of people site in camp chairs and play instruments