Lakes in Harney County, Oregon, are situated within a high desert landscape characterized by the prominent Steens Mountain. This region features numerous lakes, many of which offer distinct natural features and recreational opportunities. The county's diverse aquatic environments range from shallow, marsh-fed bodies of water to alpine lakes and reservoirs. These lakes provide habitats for wildlife and opportunities for various outdoor activities.
Last updated: June 26, 2026
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Popular around Harney County
Just next to Trout Creek Mountain Road there is a nice pond and an even nicer water trough to fill your water bottles. The water is cool and clear – nevertheless you should treat the water before consuming.
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Borax Hot Springs is a unique geological phenomenon, featuring geothermal springs that range in temperature from 104 to 300°F and are part of an active fault line. Due to its boiling temperature, Borax Hot Springs is NOT suitable for soaking! The nearby 10-acre Borax Lake, created by these powerful hot springs, is owned by The Nature Conservancy and contains high concentrations of sodium borate, arsenic, and lead, making it an ecologically sensitive area that supports unique microbes and the endangered Borax Lake chub.
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Below the summit of Steens Mountain you can descend over some fairly steep switchbacks to Wildhorse Lake, one of the very few alpine lakes in the Oregon Desert. Keep in mind that the upper section of the trail might be covered under snow way into June. Another option to go down to the lake is by hiking to the radio tower on top of Steens Mountain and find a way down this less sketchy slope. There is a trail register at the top of the Wildhorse Lake Trail.
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Riddle Reservoir is pretty shallow and hard to get to since the ground is very soft and muddy. Not the easiest way to collect water. However, there might be a small stream flowing from the mountain that you can use as a water source. Always treat that water, though! This is also an excellent spot to watch for wildlife. There were four pronghorns when we arrived there and plenty of water fowl.
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This little reservoir had some nice water in June 2024. If you need some, better get it from here than from Riddle Reservoir which is very shallow and muddy to get to.
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Mud Spring can be an acceptable water source in the spring. Cows might be present, but the water looked a lot better than Buckhorn Spring in 2024. If you can make it to Miller's Place though, I recommend going there for the really good water.
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Buckhorn Spring is listed as a possible water source along the Oregon Desert Trail. From my experience in 2024, this cow pond should only be considered if you are really desperate. There were plenty of cowpats swimming in the water and getting to it was also not easy. If you are running out of water, you can hike further and take a detour into Augustine Canyon where you will find a solar-powered well.
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Wildhorse Lake is beautifully situated next to the summit of Steens Mountain. A steep switchback trail will get you down and up again. The Oregon Desert Trail traverses through Wildhorse Canyon with a serious section of slow bushwhacking through tall sagebrush and roses.
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Harney County's lakes offer diverse natural features. You can find alpine lakes like Wildhorse Lake nestled in the Steens Mountain Wilderness, offering rugged beauty and deep glaciated gorges. Other areas feature shallow, marsh-fed bodies of water like Malheur Lake, which is a crucial nesting ground for diverse bird species. Harney Lake is a unique alkali lake known for rockhounding opportunities. You might also encounter natural springs and reservoirs, some of which serve as important water sources in the high desert.
Yes, there are several hiking opportunities. The Wildhorse Lake Trail is a notable moderate 2.4-mile hike with a 990-foot elevation gain, leading to a secluded alpine lake. For more general hiking options in the region, you can explore routes like Pike Creek Trail or Big Indian Gorge Trail, which are part of the broader Hiking in Harney County guide.
The lakes in Harney County are rich in wildlife. Malheur Lake, in particular, is a vital habitat for a diverse array of waterfowl, migratory birds, and other bird species, including ducks, geese, swans, herons, and egrets. Around lakes like Mann Lake and Riddle Reservoir, you might spot pronghorns, coyotes, jackrabbits, bobcats, sage grouse, and various raptors.
Yes, Griffith Spring Reservoir is noted as a family-friendly lake. It's appreciated for its good water quality and quantity, especially in the spring, with minimal impact from livestock, making it a pleasant spot for families.
Yes, fishing is a popular activity in some Harney County lakes. Mann Lake is particularly renowned for excellent early-season fishing, especially for Lahontan Cutthroat trout. Krumbo Reservoir is also noted for containing Largemouth Bass and Rainbow Trout, suggesting it's a good destination for fishing enthusiasts.
The best time to visit Harney County lakes largely depends on your desired activity. Early season (spring to early summer) is excellent for fishing, especially at Mann Lake. Spring also offers good water quality at places like Griffith Spring Reservoir and Mud Spring. Be aware that remote areas like Wildhorse Lake can have snow cover well into June. The high desert climate means extreme and changing weather conditions are possible, so always be prepared.
Harney Lake, a shallow alkali lake within the Malheur National Wildlife Refuge, is a unique destination for rockhounding. Its mineral-rich composition, resulting from its role as an evaporation pan, offers opportunities to find agate, jasper, petrified wood, and rare oolitic agate. This area provides a glimpse into the region's ancient geological past.
Yes, Borax Hot Springs is a notable natural monument in Harney County. While not directly a lake, it's a significant natural feature in the region that visitors might find interesting.
When hiking in Harney County, especially in remote areas, reliable water sources can be scarce. While some springs like Mud Spring and Griffith Spring Reservoir can be acceptable in spring, others like Buckhorn Spring might be less ideal due to livestock presence. Always treat any collected water. If desperate, detours to places like Augustine Canyon might offer solar-powered wells.
The terrain around Harney County lakes can vary significantly. Trails like the Wildhorse Lake Trail are considered challenging, involving steep switchbacks and a significant elevation gain to reach an alpine lake. Other areas might feature softer, muddy ground, especially near shallow reservoirs like Riddle Reservoir. Hikers should be prepared for rugged conditions and varying difficulty levels, from moderate to challenging.
Malheur Lake, located within the Malheur National Wildlife Refuge, is a marsh-fed body of water that serves as a critical nesting and feeding ground for a vast array of waterfowl and migratory birds. Its shallow, marshy western sections and more open central and eastern parts create a diverse ecosystem. The lake occasionally overflows into Mud Lake and then into Harney Lake, playing a vital role in the region's hydrology and supporting immense bird populations. You can learn more about its ecological importance on Wikipedia.


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