Diamond Lake (Oregon)Diamond Lake (Oregon) at a Glance
About Diamond Lake (Oregon)
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.
Nearby Attractions to Diamond Lake (Oregon)
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.
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | - | -7° - 3° | -7° | 192 mm | - | - | 3.5 m/s | - | - |
| February | - | -7° - 4° | -6° | 146 mm | - | - | 3.6 m/s | - | - |
| March | - | -5° - 6° | -3° | 137 mm | - | - | 3.6 m/s | - | - |
| April | - | -4° - 9° | -1° | 81 mm | - | - | 3.5 m/s | - | - |
| May | - | -1° - 14° | 4° | 55 mm | - | - | 3.5 m/s | - | - |
| June | - | 2° - 18° | 10° | 36 mm | - | - | 3.5 m/s | - | - |
| July | - | 5° - 24° | 14° | 18 mm | - | - | 3.3 m/s | - | - |
| August | - | 5° - 25° | 15° | 26 mm | - | - | 3.2 m/s | - | - |
| September | - | 2° - 21° | 11° | 40 mm | - | - | 3.1 m/s | - | - |
| October | - | -1° - 15° | 5° | 82 mm | - | - | 3.1 m/s | - | - |
| November | - | -4° - 6° | -3° | 196 mm | - | - | 3.4 m/s | - | - |
| December | - | -7° - 3° | -6° | 208 mm | - | - | 3.4 m/s | - | - |
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.