Sleeping
Sleeping bag in stuff sack lined with plastic bag
Sleeping clothes – worn only in sleeping bag (t-shirt and gym shorts)
Foam sleeping pad (closed cell or or Therm-a-Rest)

Clothing - Travel to and From Colorado
Two short sleeve shirts (cotton OK for traveling in van)
Two pair shorts
One pair of jeans 
Underwear
Comfortable shoes or sandals

Clothing - Rafting
Tennis shoes or sandals (Teva's) to get wet
Swim suit

Clothing - Layer A (Hiking Clothes)
Sturdy tennis shoes or hiking boots for hiking
Two short sleeve shirts (quick drying)
Two hiking shorts
Underwear (quick dry)
Two pairs heavy socks
Two pairs lighter inner socks (polypro)
Hat or cap - flexible, with brim

Clothing - Layer B (Cool Morning or Evening)
One long sleeve shirt - quick dry (one is provided with the trip)
One pair long pants (quick drying - no jeans)
Long underwear (polypro is best)

Clothing - Layer C (Cold)
One warm Jacket (fleece is good)
Gloves or mittens (wool works well)
Stocking hat (wool or polypro is best)

Clothing - Layer D (Cold, Wet, Windy)
Rain jacket and pants (no ponchos)

Eating
Plate, bowl, cup, spoon and fork
2-3 one quart water bottles (Nalgene) with duct tape around the bottle

Personal and Miscellaneous
Small pocket knife
Waterproof match case with matches
Flashlight (small with extra batteries and bulb)
Compass
Small washcloth and Towel (backpacking)
Towel (for hot springs pool)
Lip Balm
Soap-biodegradable
Comb
Toothbrush and small tube of toothpaste
tampons/sanitary napkins
Sunscreen, SPF 25 or higher
Sunglasses
Insect repellent
Mosquito gear (head net)  
Whistle
Spare vision glasses if worn

Optional gear
Camera and plenty of film or memory sticks
Watch, inexpensive
Postcards
Foot powder
Note pad and pen
Binoculars
Frisbee, playing cards, books, travel chess, hacky sack, etc.
Crazy Creek style of chair
Pack Pillow
Bandana
Rock climbing shoes (provided by outfitter if not available)
Personal flotation device- life vest or jacket 
Fishing pole and tackle (and fishing license if necessary)
Trail bicycle with helmet
Paddling gloves (bicycle gloves)
 
Note: No radios, ipods, gameboys, cell phones, or other electronic gear in wilderness.

Gear provided by 4-H Venturers Program
Tent
Backpacking stove
Dutch oven
Cooking pots and utensils
Water purifier
Inflatable rafts
Bear bags and rope
Toilet paper
1st Aid kit
Maps
Collapsible water bags
Dining fly