The Northwest Passage - Lochsa River

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161.7 km

Length

+1,757 m

Ascent

−550 m

Descent

1,596 m

Highest point

6.6%

Max gradient

3h 36min

Drive time (approx.)

Weather on the road

At the highest point · 1,596 m

15 °C rainshowers

wind 1 m/s · clouds 62%

At the start

18 °C fair

wind 5 m/s · clouds 19%

	Min	Max	Precipitation	Wind
Friday 23 Oct	2 °C	15 °C	11.6 mm	4 m/s	heavyrain
Saturday 24 Oct	-2 °C	10 °C	0.6 mm	3 m/s	partlycloudy
Sunday 25 Oct	-1 °C	10 °C	0.0 mm	2 m/s	clearsky

Weather data by MET Norway (CC BY 4.0) · Updated 10/23/26, 12:47 AM

Terrain and when to go

Landscape: High mountain road

Roads nearby

SR-200

300.4 km
Length: +2,575 m
Ascent

The Flathead

216.3 km
Length: +1,858 m
Ascent

The Rattlesnake Grade

64.1 km
Length: +1,230 m
Ascent

The Northwest Passage - Lochsa River map

161.7 km · 1,596 m

Elevation profile

Start

Idaho County

46.14886, -115.98084

Finish

Idaho County

46.63480, -114.57990

Stages

Stage 1 81.1 km
Stage 2 80.5 km

Along the road

Parking

52 unnamed places along the road, from 0.0 km to 161.7 km.

Restaurants and cafés

River Dance Lodge-Cafe 26.7 km · 429 m

Restaurant and Cafe 38.9 km · 449 m

Lochsa Lodge 142.5 km · 1,067 m

Toilets

23 unnamed places along the road, from 35.5 km to 161.6 km.

Fuel

1 unnamed place along the road, from 142.5 km to 142.5 km.

Rest areas

Lolo Pass Rest Area 161.6 km · 1,595 m