United States - Idaho Whole route

Ashton to Tetonia Trail

Trail conditions in Whole route · model estimate, not a field inspection

DryNo major muddy sections detected. The route is probably dry based on available data.

Summer/fall 2026 paving works currently close several parking areas and the Ashton-Fall River Trestle-1100 North and Tetonia-Highway 33 sections. The operator identifies Judkins-Lamont and Grainville-France as open sections; obey every barricade and current notice.

955 segments Check your own GPX

Dry Surface score, 1 avoid to 10 dry

Data confidence: High

SurfaceSee individual segments

TrackMTB

Length47.73 km

Drying forecastNo verified whole-route drying time

Weather data: fresh

Rain, last 24h0.03 mm

Temperature6.32 °C

Rain coverage100.0%

Oldest input age6.08 h

Calculated: 24 Sep 2026, 09:51 UTC. Automatically refreshed every 30 minutes.

Sources and coverage · 13 weather cells

Source: noaa-mrms-radar + noaa-nws

Weather aggregated over route cells, not one representative point.

Reload latest calculation

Route catalogue Planning source How it works Data sources

Dry Mixed Muddy

Before you ride, run or hike Ashton to Tetonia Trail

Is the whole route dry and open?

No opening status is verified here. This is a model estimate; local puddles, damage and closures may differ. 955 calculated segments across 13 weather cells. Follow land-manager notices.

When will this route dry?

A current surface score does not establish a drying time. Check the rainfall observation time, refresh stale inputs and review local reports before leaving.

How can I monitor my own route?

Upload your GPX, save it to your account and configure monitoring in the Route Cabinet. This page does not automatically subscribe you to alerts.

Open your saved routes

955 calculated route segments

Calculation: 24 Sep 2026, 09:51 UTC · 955 calculated segments across 13 weather cells. Click a segment to locate it on the map. Grey means current conditions are not confirmed. Distance order follows the source geometry for analysis; it is not an official stage itinerary.

Dry: 47.71 km · Wet: 0.0 km · Muddy: 0.0 km · High risk: 0.0 km · Unknown: 0.0 km

Condition	Surface	Confidence
Dry	ground	High
Dry	gravel	High
Dry	gravel	High
Dry	gravel	High
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Dry	asphalt	High
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Dry	paved	High
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Route and access notes

A gravel rail trail for cycling, hiking and equestrian use between Ashton and Tetonia, with broad views of Idaho's Teton Valley.

Planning this route

Idaho Parks and Recreation reports a 29.6-mile trail. The refreshed source relation measures 47.71 km, matching that distance and the complete Ashton-Tetonia corridor as one connected line with no alternatives or unresolved members.

Access and source limitations

The operator permits biking and hiking but prohibits Class 3 e-bikes, motorized ATVs, OHVs and vehicles. Check the live project update because construction changes which trailheads and sections can be used.