Also on the map ofRocky Mountains ‹ American Cordillera

Pass · Idaho

Lemhi Pass

2,240 m7,349 ft

Tonight: 25°FSnow · Wind 7–10 mph NNE

Lemhi Pass is a mountain pass at 2,240 m in Idaho, United States.

All facts

Saddle: 2,240 m
Lowest point: 2,083 m / 1,821 m

Open the 3D view

Pass

Lemhi Pass: the climb from each side

Crossed by: Lewis and Clark Highway

Distances are straight lines from the saddle to the lowest ground on each side; the road is longer.

3D map

Lemhi Pass 3D map

Drag to orbit · click, then scroll to zoom (or Ctrl/⌘ + scroll) · One finger scrolls the page · two fingers orbit and zoom · 8 × 8 km

Surface

Vertical scale

Topographic map

Lemhi Pass terrain and contours

50 m contours from the USGS 3DEP 10 m terrain model. Click two points on the map to draw your own cross-section.Tap two points on the map to draw your own cross-section.

Index contours every 250 mShowing west → east through the centre

Lemhi Pass elevation profile

West → east through the centre

Hover the profile to read elevation and distance.Tap or drag along the profile to read elevation and distance.

Weather

Lemhi Pass weather

Tonight · Snow · 25°F (-4°C) · 50% chance of precipitation · Wind 7–10 mph NNE

Lemhi Pass forecast for about 2,207 m.

Tonight25°50%7–10 mph NNE
Sat24°37°–7 mph SE
Sun26°42°–8 mph SE
Mon28°44°51%10 mph SE
Tue24°38°59%9 mph SW
Wed22°36°23%7 mph SE
Thu24°38°14%7 mph S

Forecast data: NOAA National Weather Service, public domain, model run Oct 23, 20:01 UTC.

Slope

Share of the 8 × 8 km view by steepness, from the 10 m model.

Mixed terrain: gentle slopes, steep faces and everything between.

Gentle, 0–15°

49.7%

Moderate, 15–30°

41.0%

Steep, 30–45°

9.2%

Cliffs, 45° and over

0.1%

Steeper than 30°: 9.3% of the 64 km² view
Relief in view: 895 m low point 1,748 m

Land cover

ESA WorldCover 10 m classification of the same area.

Trees 46.8%Grassland 39.5%Moss & lichen 13.4%

Snow & ice means glaciers and year-round snow (a yearly average), not today’s snow cover.

Wildlife

Wildlife seen nearby

Sightings of the most-seen species on iNaturalist (research grade) within 4 km; 72 species recorded in all.

Sightings per species 6

Sulfur buckwheat6
Curved-beak lousewort6
Glacier Lily5
Small camas5
Sticky geranium4
Common yarrow3

Where it sits

Where Lemhi Pass sits

Nearby

Nearby places

More 1

Sawtooth Lake155 km SW

Lemhi Pass downloads: topographic map, heightmap, STL 3D model and DEM

Free files made in your browser from this page's terrain data. No sign-up; credit the sources below.

Print & wall

JPGLemhi Pass satellite image (JPEG)Sentinel-2 true-colour image of the same area, taken 2026-09-09.

3D printing & 3D apps

GIS & GPS

</>Embed this mapPaste this into your site to show the interactive 3D terrain, with a credit link back here.

<iframe src="https://topolu.com/embed/lemhi-pass" width="100%" height="480" style="border:0" loading="lazy" allowfullscreen title="3D terrain of Lemhi Pass"></iframe>
<p><a href="https://topolu.com/lemhi-pass" rel="nofollow">Topolu</a></p>

Free to use with credit: see the data sources

Sources

Data sources

Terrain: U.S. Geological Survey, 3D Elevation Program (public domain)
Imagery: Contains modified Copernicus Sentinel data 2026 (scene 2026-09-09)
Land cover: © ESA WorldCover project 2021 / Contains modified Copernicus Sentinel data (2021) processed by ESA WorldCover consortium
Facts: Wikidata (CC0)
Protected area: USGS Gap Analysis Project, PAD-US (public domain)
Wildlife: iNaturalist community observations, counts only
Forecast: Weather forecast from NOAA National Weather Service (public domain)
Sources: Wikidata · OpenStreetMap · Wikipedia