Conboy Lake National Wildlife Refuge

Park Wetland refuge protecting migrating waterfowl and marshes

A refuge near Mount Adams in Washington protecting wetlands and meadows; attracts birdwatchers, amphibian researchers and hikers on maintained trails.

Main image

Conboy Lake National Wildlife Refuge is a protected area in southern Washington that conserves montane wetlands, meadows and adjacent upland forests at the eastern foothills of Mount Adams. The refuge supports wetland-dependent wildlife and native plant communities typical of the Cascade foothills.

Onsite features include marshes, boggy meadows and forested uplands that provide habitat for migratory birds, amphibians and other wildlife; the refuge is used for wildlife observation and seasonal nature study. Access is via local forest and rural roads and facilities are basic.

The refuge is administered by the U.S. Fish and Wildlife Service with management focused on wetland restoration and protection of montane meadow ecosystems.

Conboy Lake National Wildlife Refuge lies in south-central Washington near the foot of Mount Adams, close to the Gifford Pinchot National Forest and the small communities on the mountain’s eastern side.

Conboy Lake National Wildlife Refuge
45.9717, -121.3301
Refuge open sunrise-sunset; visitor facilities vary

How to Get to Conboy Lake National Wildlife Refuge #

Located in Klickitat County, Washington, near Gifford Pinchot National Forest. Reach by regional highways and local roads; a car is recommended. Check refuge website for specific directions to trailheads and observation points.

Tips for Visiting Conboy Lake National Wildlife Refuge #

  • Bring layers; valley floors and higher ridges can vary significantly in temperature.
  • Check refuge alerts for seasonal trail closures and hunting seasons before planning a visit.
  • Use the auto tour routes and established overlooks rather than venturing into restricted wetland areas.

Best Time to Visit Conboy Lake National Wildlife Refuge #

Spring and fall bring the best combination of wildlife activity and comfortable conditions; summer can be hot and winter cold.

Spring
March-May · 5-18°C (41-64°F)
Good for migratory birds and wildflowers; moderate temperatures.
Fall
September-November · 5-18°C (41-64°F)
Autumn colors and migration activity; cooler and quieter.

Weather & Climate near Conboy Lake National Wildlife Refuge #

Climate

Conboy Lake National Wildlife Refuge's climate is classified as Warm-Summer Mediterranean - Warm-Summer Mediterranean climate with mild summers (peaking in August) and freezing winters (coldest in January). Temperatures range from -5°C to 28°C. Moderate rainfall (798 mm/year) with a pronounced dry season.

Temperature & Rainfall
Temperature Range
28°
Warmest Month
-5°
Coldest Month
Monthly Conditions

January

January is the coldest month with highs of 2°C and lows of -5°C. Significant rainfall (148 mm).

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-5°

Weather

148 mm
Rainfall
2.9 m/s
Wind
Calm

February

February is cold with highs of 5°C and lows of -3°C. Significant rainfall (105 mm).

Comfort

Feels Like Cold
C
Temperature
-3°

Weather

105 mm
Rainfall
3.0 m/s
Wind
Light Breeze

March

March is cold with highs of 10°C and lows of -1°C. Moderate rainfall (77 mm).

Comfort

Feels Like Cold
C
Temperature
-1° 10°

Weather

77 mm
Rainfall
3.3 m/s
Wind
Light Breeze

April

April is cold with highs of 14°C and lows of 1°C. Moderate rainfall (39 mm).

Comfort

Feels Like Cold
C
Temperature
14°

Weather

39 mm
Rainfall
3.6 m/s
Wind
Light Breeze

May

May is cool with highs of 19°C and lows of 4°C. Light rainfall.

Comfort

11°
Feels Like Cool
11°C
Temperature
19°

Weather

26 mm
Rainfall
3.8 m/s
Wind
Light Breeze

June

June is cool with highs of 22°C and lows of 7°C. Light rainfall.

Comfort

15°
Feels Like Cool
15°C
Temperature
22°

Weather

18 mm
Rainfall
3.8 m/s
Wind
Light Breeze

July

July is mild with highs of 27°C and lows of 10°C. The driest month with just 8 mm.

Comfort

18°
Feels Like Mild
18°C
Temperature
10° 27°

Weather

8 mm
Rainfall
3.7 m/s
Wind
Light Breeze

August

August is the warmest month with highs of 28°C and lows of 9°C. Light rainfall.

Comfort

19°
Feels Like Mild
19°C
Temperature
28°

Weather

15 mm
Rainfall
3.5 m/s
Wind
Light Breeze

September

September is cool with highs of 23°C and lows of 6°C. Light rainfall.

Comfort

15°
Feels Like Cool
15°C
Temperature
23°

Weather

26 mm
Rainfall
3.2 m/s
Wind
Light Breeze

October

October is cold with highs of 17°C and lows of 2°C. Moderate rainfall (53 mm).

Comfort

Feels Like Cold
C
Temperature
17°

Weather

53 mm
Rainfall
2.8 m/s
Wind
Calm

November

November is cold with highs of 8°C and lows of -1°C. Significant rainfall (133 mm).

Comfort

Feels Like Cold
C
Temperature
-1°

Weather

133 mm
Rainfall
2.9 m/s
Wind
Calm

December

December is freezing with highs of 3°C and lows of -4°C. The wettest month with heavy rain (150 mm).

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-4°

Weather

150 mm
Rainfall
2.9 m/s
Wind
Calm

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