Guided fossil digs at the Green River Formation — daytime, nighttime, luxury and multi-day adventures for collectors and curious explorers.
Hands-on fossil digs and workshops led by professional guides at the Green River Formation.
others · Kemmerer
Discover the secrets of prehistoric life with a hands-on fossil hunting adventure in Kemmerer, Wyoming. Perfect for curious travelers and families alike, this experience offers an exciting glimpse into Earth's ancient history.
In Stone Fossils LLC is a paleontology tour operator based in Kemmerer, Wyoming that runs guided fossil-dig experiences at the Green River Formation.
The company offers four primary experiences: the Daytime Paleontology Experience with personalized one-on-one guidance; the Luxury Nighttime Paleontology Experience focused on upscale nighttime digs in productive beds such as the 18-inch Layer and sandwich beds; The Ultimate Fossil Dig Adventure, which combines guided excavations, exclusive access to specific fossil layers, hands-on preparation workshops, and luxury accommodations with curated dining; and the Baseline Nighttime Paleontology Experience, a six-hour dig where participants uncover ancient fish fossils and can keep their finds, with limited availability noted for the 2025 season.
In Stone Fossils emphasizes hands-on excavation, trained guides, and educational value. Guides demonstrate safe excavation techniques and fossil preparation methods during fieldwork and workshop sessions. Trips are suitable for families, collectors, and individual enthusiasts seeking immersive paleontology activities. Fieldwork takes place on-site at the Green River Formation, a recognized Eocene fossil locality, and reservations are recommended when booking limited nighttime or season-specific experiences.
By combining field excavation, guided instruction, and practical preparation workshops, In Stone Fossils provides authentic access to productive fossil layers while prioritizing safety, education, and responsible collecting practices.
“Every outing is organized with local river knowledge, basic safety instruction, and equipment checks before departure.”
Base camp near the dig site
Eocene fish and fossil beds
One-on-one and group options
Limited spots for 2025 season
Open the individual experience guide to confirm current availability, pricing, policies, conditions, and inclusions before booking.
The operator provides clear meeting points, departure times, and destination coordinates for all outings.
Personal flotation devices, emergency protocols, equipment checks, and paddling orientations are provided before departure.
Recommended layering, water shoes, sunscreen, and dry bags are detailed in each experience guide.
Guides share rich knowledge of regional flora, fauna, scenic landmarks, and river navigation.
A glimpse into the experiences, natural landscapes, and adventures waiting on your next trip.
Images supplied on the current In Stone Fossils LLC listing.
In Stone Fossils LLC offers a variety of guided outdoor excursions, scenic routes, rentals, and custom itineraries tailored for families, couples, and adventure enthusiasts.
Yes. Most trips feature comprehensive safety orientations, equipment fittings, and calm routes suited for first-time adventurers. Check the details on individual experience guides for specific age and skill requirements.
Standard safety equipment (such as certified life vests and essential gear) is supplied for each booking. Detailed checklists regarding weather-appropriate attire and personal items are provided prior to departure.
Secure limited-availability daytime, nighttime, luxury, or multi-day fossil digs at the Green River Formation — book now to guarantee participation.
others · Kemmerer
Discover ancient fossils in the dark with this exclusive nighttime paleontology adventure in Kemmerer, Wyoming. Guided by experts, you'll explore and uncover relics from prehistoric times while enjoying a luxurious outdoor experience. Keep reading to learn more about this unforgettable journey!
land-adventures · Kemmerer
Unearth ancient fossils in Wyoming’s renowned Green River Formation with expert guides. Join this hands-on adventure for a unique glimpse into prehistoric life and geological history.
paleontology · Kemmerer
Unearth ancient fish fossils beneath the stars with expert guides in this hands-on paleontology adventure at the Green River Formation. Discover history and keep your findings!
Click into any experience card above to view current dates, live availability, transparent pricing, cancellation policies, and booking details.