Wallowa Mountains

Mountains Mountain range in northeastern Oregon with glaciated peaks

Jagged summits and glacial valleys define Oregon’s Wallowa Mountains and Eagle Cap Wilderness; hikers, backpackers and anglers head there for alpine lakes, steep ridgelines and backcountry trails.

The Wallowa Mountains are a rugged mountain range in northeastern Oregon noted for steep peaks, alpine basins and glacially carved valleys. The range includes high summits, a network of trails and extensive wilderness areas important for recreation.

The range was shaped by uplift and extensive Pleistocene glaciation that created its present cirques and lakes; human use has included seasonal grazing, small-scale logging and, more recently, outdoor recreation and conservation management. The area also has long-standing significance for Native peoples of the region.

The mountains sit in far northeastern Oregon, within Wallowa County, with the small towns of Joseph and Enterprise at the range foothills; the terrain rises sharply from the surrounding high desert and river valleys.

  • Highest point: The highest summit reaches 9,838 feet and provides alpine views and winter snowfields well into summer.

What to See #

  • Eagle Cap Wilderness: A federally designated wilderness area covering the high country of the range that contains the bulk of its trail network and backcountry lakes.
  • Wallowa Lake: A large glacial lake at the southern foot of the range, roughly 3.5 miles long, that serves as a popular base for recreation and boat access to surrounding trails.
  • Sacajawea Peak: The range's highest summit, rising to 9,838 feet, which is a common objective for hikers and peak-baggers.
Wallowa Mountains
Wallowa Mountains, Wallowa County, Oregon, USA
45.1999, -117.3177

How to Get to Wallowa Mountains #

Wallowa Mountains are in northeastern Oregon. By car, reach the town of Joseph (about 70 km from La Grande) and use trailheads around Wallowa Lake or the East Fork Wallowa River. Regional flights are into La Grande; driving from major cities is the usual approach.

Tips for Visiting Wallowa Mountains #

  • For the best light and fewer people, hike early in the morning from the Wallowa Lake trailheads.
  • Acclimatise to altitude-the peaks reach near 3,000 m and weather changes quickly.
  • Hire a local guide for technical climbs; avalanche risk in shoulder seasons can be significant.

Best Time to Visit Wallowa Mountains #

Late spring through early autumn for hiking and mountain access; summer offers the most reliable weather.

Summer
June-September · 5-25°C
Warm trails and open alpine meadows-best for hiking and scrambling.
Late Spring
May-June · -2-10°C
Snowmelt feeds waterfalls; lower trails open earlier than higher routes.
Autumn
September-October · -2-15°C
Crisp, clear air and fewer visitors; be prepared for early snow.

Weather & Climate near Wallowa Mountains #

Climate

Wallowa Mountains's climate is classified as Subarctic (Dry Summer) - Subarctic (Dry Summer) climate with cool summers (peaking in August) and freezing winters (coldest in December). Temperatures range from -13°C to 20°C. Moderate rainfall (693 mm/year).

Temperature & Rainfall
Temperature Range
20°
Warmest Month
-13°
Coldest Month
Monthly Conditions

January

January is freezing with highs of -2°C and lows of -13°C. Regular rainfall (84 mm).

Comfort

-7°
Feels Like Freezing
-7°C
Temperature
-13° -2°

Weather

84 mm
Rainfall
3.4 m/s
Wind
Light Breeze

February

February is freezing with highs of 0°C and lows of -13°C. Moderate rainfall (60 mm).

Comfort

-7°
Feels Like Freezing
-7°C
Temperature
-13° -1°

Weather

60 mm
Rainfall
3.0 m/s
Wind
Light Breeze

March

March is freezing with highs of 1°C and lows of -12°C. Moderate rainfall (60 mm).

Comfort

-6°
Feels Like Freezing
-6°C
Temperature
-12°

Weather

60 mm
Rainfall
3.2 m/s
Wind
Light Breeze

April

April is freezing with highs of 4°C and lows of -9°C. Moderate rainfall (54 mm).

Comfort

-3°
Feels Like Freezing
-3°C
Temperature
-9°

Weather

54 mm
Rainfall
3.1 m/s
Wind
Light Breeze

May

May is cold with highs of 7°C and lows of -6°C. Moderate rainfall (58 mm).

Comfort

Feels Like Cold
C
Temperature
-6°

Weather

58 mm
Rainfall
3.2 m/s
Wind
Light Breeze

June

June is cold with highs of 12°C and lows of -3°C. Moderate rainfall (65 mm).

Comfort

Feels Like Cold
C
Temperature
-3° 12°

Weather

65 mm
Rainfall
3.1 m/s
Wind
Light Breeze

July

July is cold with highs of 19°C and lows of 0°C. The driest month with just 24 mm.

Comfort

10°
Feels Like Cold
10°C
Temperature
19°

Weather

24 mm
Rainfall
2.9 m/s
Wind
Calm

August

August is cool with highs of 20°C and lows of 0°C. Moderate rainfall (34 mm).

Comfort

10°
Feels Like Cool
10°C
Temperature
20°

Weather

34 mm
Rainfall
2.9 m/s
Wind
Calm

September

September is cold with highs of 15°C and lows of -3°C. Moderate rainfall (39 mm).

Comfort

Feels Like Cold
C
Temperature
-3° 15°

Weather

39 mm
Rainfall
2.9 m/s
Wind
Calm

October

October is cold with highs of 9°C and lows of -6°C. Moderate rainfall (52 mm).

Comfort

Feels Like Cold
C
Temperature
-6°

Weather

52 mm
Rainfall
3.1 m/s
Wind
Light Breeze

November

November is freezing with highs of 1°C and lows of -9°C. Moderate rainfall (74 mm).

Comfort

-4°
Feels Like Freezing
-4°C
Temperature
-9°

Weather

74 mm
Rainfall
3.4 m/s
Wind
Light Breeze

December

December is the coldest month with highs of -3°C and lows of -13°C. The wettest month with 89 mm of rain.

Comfort

-8°
Feels Like Freezing
-8°C
Temperature
-13° -3°

Weather

89 mm
Rainfall
3.3 m/s
Wind
Light Breeze

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