If you are flying into Idaho Falls, staying in Rexburg, or visiting family in the area, one of the most common questions is:
How far is Rexburg from Yellowstone?
The drive is simple, scenic, and straightforward. But understanding timing, fuel stops, seasonal conditions, and entrance logistics can make the difference between a smooth day and a stressful one.
Here is everything you need to know before making the drive from Rexburg to Yellowstone National Park.
How Far Is Rexburg from Yellowstone?
Distance from Rexburg to Yellowstone West Entrance:
Approximately 95 to 105 miles depending on route variations.
Average drive time:
1 hour 45 minutes to 2 hours 15 minutes under normal summer conditions.
The most common route takes you north on US-20 through:
• St. Anthony
• Ashton
• Island Park
• West Yellowstone
• Yellowstone West Entrance
It is a straight shot with minimal turns.
What the Drive Is Like
The drive gradually transitions from farmland to forest.
From Rexburg to Ashton, you will pass open agricultural fields and views of the Tetons in the distance on clear days.
North of Ashton, the road becomes more scenic as you enter forested terrain and approach Island Park. By the time you reach West Yellowstone, you are surrounded by pine trees and higher elevation landscapes.
It is not a stressful mountain pass drive. It is a wide, well-maintained highway used heavily by tourists.
Best Route from Rexburg to Yellowstone
The simplest route is:
US-20 North the entire way.
There is no need for complicated navigation.
However, here are a few things to keep in mind:
• Cell service may weaken as you approach Island Park
• Wildlife crossings are common, especially early morning and late evening
• Speed limits vary along the route
Where to Stop Along the Way
Breaking up the drive is helpful, especially with kids.
St. Anthony
Good early stop for:
• Fuel
• Quick snacks
• Restrooms
Ashton
A common halfway stop for:
• Fuel
• Groceries
• Food options
Ashton is the last full-service town before reaching Island Park.
Island Park
Island Park offers:
• Grocery stores
• Gas stations
• Restaurants
• Fishing access points
• Scenic pull-offs
If you are not staying overnight but driving straight through, it is still a convenient place to grab supplies before entering Yellowstone.
You can browse updated fuel stops, grocery stores, and dining options within Island ParkDirectory.com before your trip.
Seasonal Driving Considerations
Summer
Roads are clear and heavily traveled.
Expect:
• Increased traffic
• Construction zones at times
• RV and trailer traffic
Leave early if entering Yellowstone during peak months.
Fall
Generally smooth driving, but:
• Watch for early morning frost
• Wildlife activity increases
Winter
Winter changes everything.
Snow and ice are common from Ashton north.
Conditions may include:
• Snow-packed roads
• Limited visibility during storms
• Reduced speeds
Check Idaho 511 road conditions before traveling in winter.
Spring
Road conditions vary.
You may encounter:
• Patches of snow
• Mud in some pull-off areas
• Cold early mornings
When to Leave Rexburg
If your goal is to maximize time inside Yellowstone during summer:
Leave Rexburg by 5:00 to 6:00 am.
This allows you to reach the West Entrance before long lines form.
If you leave after 8:00 am in July, you may encounter entrance backups.
Fuel and Food Strategy
Fuel up before Ashton if possible.
While Island Park has fuel, prices may be higher during peak season.
Bring:
• Water
• Snacks
• A cooler if spending the full day in Yellowstone
Food options inside the park are limited and often crowded.
Is It Better to Stay in Rexburg or Closer to Yellowstone?
While Rexburg is a reasonable starting point, staying closer to Yellowstone reduces daily drive time significantly.
If you plan multiple park days, consider staying in:
• Island Park
• West Yellowstone
This can reduce daily driving by nearly four hours round-trip.
If you are evaluating lodging closer to the park, explore cabin rentals and lodging categories inside Island ParkDirectory.com to compare options.
Common Questions
Is the drive from Rexburg to Yellowstone difficult?
No. It is a straightforward highway drive with gentle elevation gain.
Are there scenic stops along the way?
Yes. Island Park Reservoir and Henrys Fork offer scenic pull-offs worth short stops.
Is there cell service the whole way?
Service is strong near Rexburg and Ashton. It may weaken north of Ashton and inside Yellowstone.
Final Thoughts
Driving from Rexburg to Yellowstone is simple and accessible for most travelers.
The key considerations are:
• Leave early during peak season
• Monitor winter road conditions
• Fuel up strategically
• Watch for wildlife
If you plan to spend multiple days in Yellowstone, staying closer to the West Entrance in Island Park can significantly reduce your daily drive time and improve overall trip flexibility.
For travelers using Rexburg as a starting point, planning ahead ensures a smooth and enjoyable journey into one of America’s most iconic national parks.
