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A panoramic view across the Craters landscape, bisected by a winding road.

WTDO · IDAHO FIELD GUIDE

Lava fields. River stories. Wide open days.

Idaho surprises with volcanic landscapes, granite cliffs, and places where the history deserves a longer stop.

Photo: NPS / Jacob W. Frank · NPS source ↗
ID

The way in

Choose a feeling, then follow it.

Idaho surprises with volcanic landscapes, granite cliffs, and places where the history deserves a longer stop. Use Boise for food and a river walk, or add a mountain town near Ketchum as a separate chapter. Explore more local ideas ↗

Tap a scene

Four stories. One state.

Each photo leads to a full guide. Choose one now; the others can wait for another trip.

A close-up shot of a folded, waving sea of lava rock, with mountains in the far distance.
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Craters of the Moon

A walk that feels almost lunar.

Start with the lava landscape drive and a short marked walk.

Explore this place →Photo: NPS / David Hunter · NPS source ↗

Choose a direction

Tap a place on the map.

Every marker opens a different story. Switch to snowfall to compare the two NOAA climate stations.

Craters of the Moon1Nez Perce Country2City of Rocks3Minidoka History4Boise Airport: 17.6 inches average annual snowfall1Ketchum: 102.0 inches average annual snowfall2

Outline: U.S. Census Bureau, 2023 cartographic boundary files. Points show guide starting areas and NOAA stations.

Snow markers compare station normals only. They are not a statewide snow cover or forecast map.

NOAA 1991–2020 · monthly normals

What does the year feel like?

Pick a station, then switch between temperature, rain, and snowfall. Mountains and cities can feel like different states.

Boise Airport · average temperatureMonthly mean °F
NOAA station data ↗
Show all 12 monthly values
Boise Airport · monthly mean temperature (°F)
MonthJanFebMarAprMayJunJulAugSepOctNovDec
Value32.237.545.250.959.967.877.375.866.353.240.332.1

Normal = 1991–2020 average at the named NOAA station. Snowfall is new snow over a month, not snow currently on the ground. A blank NOAA snow series is shown as unavailable, never as zero. See current NOAA snow depth ↗

A reason to return

What would you do this time of year?

Seasonal starting points, not event dates. The official calendar stays current as the year changes.

FALL / IDAHO

Fall · combine lava country and harvest-town evenings.

See this year's events and dates ↗

A story worth understanding

The place has a past.

During World War II, more than 13,000 Japanese Americans were incarcerated at the Minidoka site in Idaho; its memorial grounds preserve their stories.

Read the NPS interpretation ↗

Your way through Idaho

One good idea can become a whole trip.

Tell WTDO when you are going and what excites you. Start free and keep the route flexible.

Plan Idaho free
TRAILS / PLACES / CURRENT ACCESS

Go farther in Idaho.

Explore 2 routes and scenic outings connected to Idaho. Check current access with each trail steward before setting out.

Your next good stop.

Find published places to eat, stay, explore or rent something for the day. Own a business? Add your details and verify your business contact; paid promotion is optional.