Fossil Hunting & Digging

Plan your trip to Fossil Basin where you can unearth your very own fossil fish! ‘Dig-your-own’ fossil quarries are located in the hills surrounding ancient Fossil Lake, just west of Kemmerer and Diamondville. This 52-million-year-old limestone graveyard preserves an entire paleoecosystem, including fish, turtles, crocodiles, insects, mammals, birds and over 200 leaves.

Where to Go Fossil Hunting & Digging

Fossil Butte National Monument

Visit Fossil Butte National Monument to learn all about this ancient world preserved in limestone. Interactive exhibits, video programs and over 300 fossils to view will help you understand the significance of this lake deposit and what it teaches us about the ancient world. Kids can become Junior Rangers and adults, Senior Rangers; visit the information desk for details. While at the monument, hike the Historic Quarry trail or the Nature Trail, take the scenic drive, and have lunch in the picnic area.

Fossil Butte National Monument

9 miles west of Kemmerer on US Highway 30

864 Chicken Creek Road

PO Box 592

Kemmerer, WY 83101

(307) 877-4455


May 1 – September 30 9:00 AM – 5:30 PM

October 1 – April 30 8:00 AM – 4:30 PM


  • Open sunrise to sunset
  • Entrance gate is closed during winter storms

Blue Moon Quarry

Blue Moon Quarry, operated by Promise Land Fossils, is at 7,100 ft. with spectacular views overlooking parts of Fossil Butte National Monument 4 miles to the west. Also located on the property is an ancient Indian campsite where an amazing variety of artifacts have been found.

The quarry is located 6 miles west of Kemmerer on U.S. Highway 30. For detailed directions and a satellite map, click here.

PO Box 152
Kemmerer, WY 83101

(307) 877-3641

  • Open every day from May 1st to the first snow
  • Reservations referred & drop-in’s accepted if guide available
  • Visitors get to take everything they find, except rare items
  • All necessary equipment provided
4 Hours$55.00$35.00
8 Hours$100.00

Fossil Safari

Warfield Fossils invites you to come on a Fossil Safari® where you can dig your own fossil fish in their private quarry. There are an abundance of fossil fish in the “Green River Formation.” Most people find enough fish to satisfy their appetite in the first two hours.

All of the fossils are Eocene age (40-60 million years old). The layers contain numerous fish and plant life. Other rare fossils frequently found are: reptiles, mammals and a few amphibians.

2072 South Muddy String Road
Thayne, WY 83127
(307) 883-2445

  • Open every day from Memorial Day through September from 8:00 AM – 4:00 PM
  • Gallery and gift shop at quarry site
  • Drop-ins accepted
  • Visitors get to take everything they find of the six common species: Mioplosis, Phareodus, Priscacara, Knghtia, Diplomystus, and Notogoneus
  • All necessary equipment provided
  • Ask about the 18-inch layer dig
Rates:AdultChildGroups 11+
1 Hour$30.00$15.00
2 Hours$50.00
4 Hours$75.00$37.50$65.00
8 Hours$100.00$50.00

Tynsky’s Fossil Fish

Tynsky’s Fossils has four generations of family history, beginning in the 1960s. They offer digs in their private quarry and also have a fossil gallery.

716 JC Penney Drive
Kemmerer, WY 83101
(307) 413-0820

  • Open weekdays from 8:00 AM – 4:00 PM
  • Upper Split Fish
  • Visitors get to take up to 10 fossil fish
  • All necessary equipment provided
  • Children 7 and under dig FREE
3 Hours$65.00$50.00

Ulrich’s Fossil Gallery

Ulrich’s Fossil Gallery is one of the first and largest purveyors of professionally prepared Eocene fossil fish from the Green River formation (Syncline Lake). Their vast selection of fine fossil-art is hand-prepared by an expert staff and excavated from their own fossil quarry. In addition to prepared fossils, Ulrich’s also offers fossil preparation kits and a variety of geological gifts and souvenirs.

Fossil Station #308
Kemmerer, WY 83101

(307) 877-6466

  • Open every day from spring to first snow
  • Digs start at 9:00 AM
  • Gallery at site & open year round
  • Reservations required
  • Visitors get to take 6-8 fossil fish
  • All necessary equipment provided
3-5 Hours$85.00

Related Stories

What to Expect When Visiting a Fossil Dig Site

It’s probably safe to assume that most people have never been fossil hunting—or at least most have never uncovered a fossil themselves. If you’re about to go fossil hunting at a dig site for the first time, you may be wondering what to expect. If you’re not yet familiar with the local quarries near Kemmerer, […]