The distance between Casper, Wyoming, and Yellowstone National Park is approximately 299 miles (481 kilometers). This journey typically takes about 5 hours and 11 minutes of driving time, not accounting for stops. The route passes through scenic areas, including Grand Teton National Park and Togwotee Pass, offering travelers a chance to experience Wyoming’s diverse landscapes.
What is the Exact Distance and Route from Casper to Yellowstone?

The precise driving distance from Casper, Wyoming, to Yellowstone National Park is 299 miles (481 kilometers). This route takes you through some of Wyoming’s most picturesque landscapes and notable locations. Here’s a breakdown of the journey:
- Casper to Grand Teton National Park: Approximately 1.5 hours
- Grand Teton National Park to Togwotee Pass: About 40 minutes
- Togwotee Pass to Dubois: Roughly 42 minutes
- Dubois to Fort Washakie: Around 58 minutes
- Fort Washakie to Boysen Reservoir: About 1 hour
- Boysen Reservoir to Yellowstone: Approximately 2 hours
Notable waypoints along this route include:
- Grand Teton National Park
- Togwotee Pass
- Dubois, Wyoming
- Fort Washakie, Wyoming
- Boysen Reservoir
While not directly on the most efficient route, Cody, Wyoming, is a nearby town known for its Western heritage and can be a worthwhile detour for those interested in history and culture.
How Long Does the Journey Take?

The total driving time from Casper to Yellowstone National Park is approximately 5 hours and 11 minutes under typical traffic conditions. This estimate assumes an average driving speed of about 57.5 mph (92.6 km/h).
However, it’s important to note that this is the non-stop driving time. In reality, most travelers will want to make several stops along the way, which can extend the total travel time to around 7 hours or more. Here’s a suggested itinerary with stops:
Segment | Driving Time | Stop Duration |
---|---|---|
Casper to Grand Teton | 1.5 hours | 1 hour |
Grand Teton to Togwotee Pass | 40 minutes | 1 hour |
Togwotee Pass to Dubois | 42 minutes | Overnight stay |
Dubois to Fort Washakie | 58 minutes | 1 hour |
Fort Washakie to Boysen Reservoir | 1 hour | 1 hour |
Boysen Reservoir to Yellowstone | 2 hours | – |
This itinerary allows for ample time to enjoy the scenic stops and rest, making the journey more comfortable and enjoyable.
What Are the Current Road Conditions?
While real-time road condition information isn’t provided in the available sources, it’s crucial to check the latest updates before embarking on your trip. Here are some tips to ensure a smooth journey:
- Visit the Wyoming Department of Transportation (WYDOT) website for up-to-date road conditions, construction updates, and potential closures.
- Be aware of seasonal challenges, such as snow in winter or potential road closures due to weather conditions.
- Check weather forecasts for the entire route, as conditions can vary significantly across the 299-mile journey.
- Consider joining a roadside assistance program for added peace of mind during long road trips.
What Amenities and Facilities Are Available at Yellowstone National Park?
Yellowstone National Park offers a wide range of amenities and facilities to ensure a comfortable and enjoyable visit:
- Parking:
- Multiple parking areas throughout the park
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Can fill up quickly during peak season, so arrive early
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Accommodations:
- Several lodges within the park
- Campgrounds for those who prefer outdoor sleeping
- Backcountry campsites for more adventurous travelers
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Advance reservations highly recommended, especially during busy periods
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Dining and Supplies:
- Restaurants ranging from casual to fine dining
- Cafes for quick bites
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General stores stocking food, snacks, and other necessities
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Visitor Centers:
- Provide information on park activities and trails
- Offer updates on specific regulations or alerts
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Staffed by knowledgeable rangers who can answer questions
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Other Amenities:
- Gas stations within the park
- Medical clinics for emergencies
- Educational programs and ranger-led activities
Remember that while Yellowstone offers many amenities, it’s still a wilderness area. It’s advisable to come prepared with essentials like water, snacks, and appropriate clothing for changing weather conditions.
How Can I Make the Most of the 299-Mile Journey?
To maximize your 299-mile journey from Casper to Yellowstone, consider the following tips:
- Plan your stops: Identify key points of interest along the route and allocate time for each.
- Start early: This allows for more daylight hours to enjoy the scenery and reduces the risk of driving in darkness.
- Pack essentials: Bring snacks, water, a first-aid kit, and emergency supplies.
- Take breaks: Regular stops can help prevent driver fatigue and allow you to appreciate the diverse landscapes.
- Capture memories: Bring a camera to document the journey and the stunning Wyoming scenery.
- Be flexible: Allow for unexpected discoveries or delays in your schedule.
- Respect wildlife: You may encounter animals along the way. Maintain a safe distance and never feed wildlife.
By following these suggestions, you can turn the 299-mile drive from Casper to Yellowstone into an unforgettable road trip experience, making the journey as rewarding as the destination itself.