Origin
Idaho Falls, ID
Late night in Idaho Falls on Saturday
Local time
2:32 AM
MDT
Current temp
63°F
Unavailable
Live forecast
Trip from Idaho Falls, ID to Ashton, ID
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
1h 4m
Distance
54.8 mi
88 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$9
one way
EV Charging
Good
8 stations
Best Time to Leave
4 AM
0h 59m
★
6 AM
1h 4m
8 AM
1h 15m
10 AM
1h 8m
12 PM
1h 7m
3 PM
1h 8m
5 PM
1h 14m
8 PM
1h 1m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Idaho Falls, ID
Wikimedia Commons
Ashton, ID
Ever Rayan
Trip Overview
Stretching 54.8 miles through the Mountain West, this trip from Idaho Falls to Ashton takes approximately 1 hour and 4 minutes to complete. You will primarily navigate via the Idaho Medal of Honor Highway, Yellowstone Highway, and South Holmes Avenue. Because the total duration is quite short, this route is perfectly suited for a single-day excursion rather than an overnight journey. Budgeting about $9 for fuel covers the trip comfortably, making it an affordable local option. Whether you are running errands or heading toward the northern reaches of the state, this drive offers a straightforward connection between these two Idaho towns.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 1h 4m. Total distance: 54.8 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 4m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (1%). Straightforward navigation.
Scenic Drive
Turn-heavy local drive route profile.
Drive Character
Expect a turn-heavy, local-style drive that keeps you engaged behind the wheel. The route is entirely highway-based, providing a consistent driving experience as you transition between regional roads. You will spend your longest uninterrupted time on the road during a 31.7-mile stretch along the Idaho Medal of Honor Highway. Because this is not a monotonous interstate trek, you should anticipate a more technical feel that requires your attention through local turns. The road maintains a steady pace, moving you efficiently through the Mountain West landscape without long, featureless gaps.
This route has more turning and local-road decision points than a simple highway run.
There are about 14 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Idaho Medal of Honor Highway is the longest continuous segment at about 31.7 miles.
Elevation Profile
High-altitude sections with notable climbs
5,024 ft
4,705 ft
Total Climb
347 ft
Total Descent
28 ft
Highest Point
5,024 ft
~43.4 mi in
Elevation Range
319 ft
Notable High Points
4,882 ft at ~20.6 miles
+22 ft prominence
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. Navigation is very simple - set it and forget it for most of the drive. The trickiest moment comes early in the drive near West Stone Run Lane.
Driving Effort
2/10
Very easy - short and simple to drive
Balances navigation complexity with total wheel time.
The drive from Idaho Falls, ID to Ashton, ID is easy. At 1h 4m with 1% highway, most drivers will find it relaxed and low-stress.
Where does it get tricky?
The main spots that need attention: near the start (West Stone Run Lane): Navigation decision point; at 0.1 miles (Stonebrook Lane): Navigation decision point; at 0.2 miles (East Sunnyside Road): Navigation decision point.
Critical Maneuvers
5 of 7 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
5
0 mi into trip
|
~0m in
|
West Stone Run Lane
Turn right onto West Stone Run Lane
Navigation decision point
5
0.1 mi into trip
|
~0m in
|
Stonebrook Lane
Turn left onto Stonebrook Lane
Navigation decision point
4
0.2 mi into trip
|
~0m in
|
East Sunnyside Road
Turn right onto East Sunnyside Road
Navigation decision point
4
0.7 mi into trip
|
~1m in
|
South Holmes Avenue
Turn left onto South Holmes Avenue
Navigation decision point
4
4.6 mi into trip
|
~9m in
|
US 20 BUS
Take the ramp onto US 20 BUS toward Rigby, West Yellowstone
Multiple destination signs - pick the right one
Toward Rigby, West Yellowstone
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Idaho Falls, ID and Ashton, ID, road signs point toward Rigby and Yellowstone.
Rigby
4.6 mi in
|
~9m
|
via US 20 BUS
Yellowstone
4.6 mi in
|
~9m
|
via US 20 BUS
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Idaho Medal of Honor Highway | 31.7 mi | 34m |
| Yellowstone Highway | 17.2 mi | 18m |
| South Holmes Avenue | 3.9 mi | 7m |
| Rigby Highway | 0.6 mi | <1m |
| East Sunnyside Road | 0.5 mi | <1m |
| US 20 BUS | 0.4 mi | <1m |
| Main Street | 0.3 mi | <1m |
| Stonebrook Lane | <0.1 mi | <1m |
Longest stretch:
Idaho Medal of Honor Highway
— 31.7 mi, about 34m
Turn-by-Turn Driving Directions
Step-by-step road directions between Idaho Falls, ID and Ashton, ID.
1
Start on Charleston Lane
152 ft
·
8 sec
·
Charleston Lane
2
Turn right onto West Stone Run Lane
241 ft
·
15 sec
·
West Stone Run Lane
3
Turn left onto Stonebrook Lane
466 ft
·
16 sec
·
Stonebrook Lane
4
Turn right onto East Sunnyside Road
0.5 mi
·
51 sec
·
East Sunnyside Road
5
Turn left onto South Holmes Avenue
1.1 mi
·
1 min
·
South Holmes Avenue
6
Turn straight onto South Holmes Avenue
2.9 mi
·
6 min
·
South Holmes Avenue
7
Take the ramp onto US 20 BUS
0.4 mi
·
47 sec
·
US 20 BUS
Toward Rigby, West Yellowstone
8
Merge onto US 20
0.6 mi
·
37 sec
·
Rigby Highway
9
Continue on US 20
15 mi
·
16 min
·
Idaho Medal of Honor Highway
10
Continue on US 20
17 mi
·
18 min
·
Yellowstone Highway
11
Continue on US 20
16 mi
·
17 min
·
Idaho Medal of Honor Highway
12
Take the exit
0.1 mi
·
16 sec
13
Turn straight onto ID-47
0.3 mi
·
32 sec
·
Main Street
14
Arrive at destination
ID-47
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 27.4 mi from Idaho Falls, ID · 34m into the drive
Mid-route town
Meal stop
27 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 12 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 27.4 miles from Idaho Falls, ID, which is a good place for a longer meal and fuel stop.
Arriving in Ashton, ID
The final approach into Ashton, ID usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$8.68 one way
$17.37 round trip
$4.03/gal
25.4 MPG avg
19 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.22 | $9.10 | $18.20 |
| premium | $4.53 | $9.78 | $19.55 |
| diesel | $5.61 | $12.10 | $24.20 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$9
Estimated CO2 emission: 19.2 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $6 in charging · 0 stops · 68% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 16.4 | 0 | $5.75 | $2.63 |
| Efficient EV | 13.7 | 0 | $4.79 | $2.19 |
| EV Truck/SUV | 21.9 | 0 | $7.67 | $3.51 |
Gas CO2
19 kg
EV CO2
6 kg (68% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Ashton, ID
Late night in Ashton on Saturday
Local time
2:32 AM
MDT
Current temp
69°F
Unavailable
Live forecast
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
6 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
1h 4m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Idaho Falls, ID to Ashton, ID covers 54.8 miles and takes about 1h 4m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Idaho Medal of Honor Highway, Yellowstone Highway, South Holmes Avenue. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 27.4 miles from Idaho Falls, ID. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $8.68 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
The drive from Idaho Falls, ID to Ashton, ID is easy. At 1h 4m with 1% highway, most drivers will find it relaxed and low-stress.
The main spots that need attention: near the start (West Stone Run Lane): Navigation decision point; at 0.1 miles (Stonebrook Lane): Navigation decision point; at 0.2 miles (East Sunnyside Road): Navigation decision point.
Between Idaho Falls, ID and Ashton, ID, road signs point toward Rigby and Yellowstone.
High-altitude sections with notable climbs. The route ranges from 4,705 ft to 5,024 ft elevation with about 347 ft of total climbing. There is 1 notable high point along the way.
How this page is built
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and USGS 3DEP for elevation. See our methodology for refresh cadence and limitations.
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