The Rattlesnake Grade

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64.1 km

Length

+1,230 m

Ascent

−871 m

Descent

1,205 m

Highest point

Hairpins

7.1%

Max gradient

1h 25min

Drive time (approx.)

Weather on the road

At the highest point · 1,205 m

10 °C lightrain

wind 2 m/s · clouds 96%

At the start

15 °C lightrainshowers

wind 4 m/s · clouds 83%

	Min	Max	Precipitation	Wind
Friday 23 Oct	5 °C	11 °C	10.7 mm	5 m/s	cloudy
Saturday 24 Oct	-2 °C	12 °C	0.0 mm	4 m/s	fair
Sunday 25 Oct	0 °C	10 °C	0.0 mm	3 m/s	partlycloudy

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

Terrain and when to go

Landscape: Hill and low mountain road
Surface: asphalt 90%

Roads nearby

Hells Canyon Scenic Byway

211.9 km
Length: +2,666 m
Ascent

The White Pine Scenic Byway

65.2 km
Length: +587 m
Ascent

The White Pine Drive

126.2 km
Length: +1,384 m
Ascent

64.1 km · 6 hairpins · 1,205 m

Elevation profile

What does The Rattlesnake Grade look like?

OR 3 near the Oregon Washington border (54214301522) · Oregon Department of Transportation · CC BY 2.0

Npnht-near-leadore-idaho-082011-rogermpterson-005 (6819443976) · Forest Service Northern Region from Missoula, MT, USA · Public domain

Dramatic entrance to Washington State (10776186695) · Robert Ashworth from Bellingham, WA., USA · CC BY 2.0

Photos come from Wikimedia Commons under the licences shown; each opens its source page.

Start

Vineland

46.39640, -117.04438

Finish

Asotin County

45.99896, -117.28082

Along the road

Parking

R. Boggan Water Access Site 58.8 km · 386 m

C. Boggan Water Access Site 59.1 km · 393 m

17 unnamed places along the road, from 0.5 km to 59.1 km.

Toilets

11 unnamed places along the road, from 0.7 km to 59.1 km.

Fuel

1 unnamed place along the road, from 6.7 km to 6.7 km.

Restaurants and cafés

Millie's Grille 36.7 km · 1,091 m

Boggan's Oasis 58.8 km · 387 m