Diamond Lake (Oregon)
Lake Alpine lake in Oregon's Cascade Range
In the Umpqua National Forest, Diamond Lake sits beneath Diamond Peak; visitors fish, boat, camp and use trailheads for hiking and winter snow activities.
Diamond Lake is a natural lake in the southern Cascade Range of Oregon, located within the Umpqua National Forest and managed as a recreation area. It is a well-used destination for boating, fishing, camping and lakeside recreation.
The shoreline hosts campgrounds, boat ramps and trails that give access to hiking and viewpoints of nearby volcanic peaks; seasonal services operate to support visitors in summer and winter. The lake is known locally as a base for outdoor activities and as part of a scenic mountain landscape.
The lake lies in southern Oregon’s Cascade Range within the Umpqua National Forest, surrounded by conifer forest and volcanic landforms that characterise the high country of the region.
- Recreation: Popular for year-round recreation including fishing, boating and lakeside camping, with winter snow activities in surrounding high country.
How to Get to Diamond Lake (Oregon) #
Diamond Lake is off Oregon Route 140 near the junction with forest roads that serve the Mount McLoughlin area. It is about a one-hour drive southeast of Medford, Oregon, and reachable by car with signed trailhead parking.
Tips for Visiting Diamond Lake (Oregon) #
- Hike early in the morning to beat mosquito swarms that build up around the lake in calm weather.
- If going in winter, check snow conditions and avalanche risk for the surrounding Mount McLoughlin area; winter access can be restricted.
- Park at the designated Diamond Lake Trailhead parking area - it's a short, clear trail to the lake and saves walking along roads.
Best Time to Visit Diamond Lake (Oregon) #
Best in summer and early autumn for hiking and easy access; winter appeals to experienced snow hikers.
Weather & Climate near Diamond Lake (Oregon) #
Diamond Lake (Oregon)'s climate is classified as Warm-Summer Continental (Dry Summer) - Warm-Summer Continental (Dry Summer) climate with cool summers (peaking in August) and freezing winters (coldest in January). Temperatures range from -7°C to 25°C. Abundant rainfall (1217 mm/year), wettest in December with a pronounced dry season.
January
January is the coldest month with highs of 3°C and lows of -7°C. Significant rainfall (192 mm).
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February
February is freezing with highs of 4°C and lows of -7°C. Significant rainfall (146 mm).
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March
March is cold with highs of 6°C and lows of -5°C. Significant rainfall (137 mm).
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April
April is cold with highs of 9°C and lows of -4°C. Regular rainfall (81 mm).
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May
May is cold with highs of 14°C and lows of -1°C. Moderate rainfall (55 mm).
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June
June is cool with highs of 18°C and lows of 2°C. Moderate rainfall (36 mm).
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July
July is cool with highs of 24°C and lows of 5°C. The driest month with just 18 mm.
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August
August is cool with highs of 25°C and lows of 5°C. Light rainfall.
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September
September is cool with highs of 21°C and lows of 2°C. Moderate rainfall (40 mm).
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October
October is cold with highs of 15°C and lows of -1°C. Regular rainfall (82 mm).
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November
November is cold with highs of 6°C and lows of -4°C. Significant rainfall (196 mm).
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December
December is freezing with highs of 3°C and lows of -7°C. The wettest month with heavy rain (208 mm).
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