The Hart Mountain National Antelope Refuge Loop is a 64.7-mile journey through one of Oregon’s most remote and beautiful landscapes. Located in the high desert, this route offers a mix of wide-open plains, rugged mountains, and abundant wildlife. It’s an immersive backcountry adventure best suited for experienced hikers, backpackers, or bikepackers ready to embrace solitude and self-sufficiency.
Route Overview
Starting at Hart Mountain Hot Springs, the route follows a series of two-track roads skirting the base of the mountains, with sweeping views of both Warner Peak and Hart Mountain. The loop winds past Post Meadows and its small campground before circling the Guano Creek Wilderness Study Area. Eventually, the route loops back to the hot springs, where a soak provides a perfect reward after the long trek.
Because this is refuge land, the area is quiet, with few vehicles and little human traffic. The roads and trails here cut through sagebrush flats, meadows, and rocky ridgelines, offering a sense of vastness that defines the Oregon high desert.
Flora & Fauna
Hart Mountain is best known for its pronghorn antelope herds, which roam freely across the refuge. You may also spot bighorn sheep, mule deer, coyotes, golden eagles, and sage grouse. Spring and early summer bring a flush of wildflowers, while fall offers cooler temps and dramatic skies.
Highlights
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Starting and finishing at the natural hot springs, perfect for a post-adventure soak
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Expansive high desert views with minimal human presence
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Opportunities to see large herds of pronghorn antelope
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Traversing diverse terrain, from sagebrush plains to meadowlands and rocky outcrops
Considerations
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The route is remote, with no reliable services, so you must carry all supplies, including water and food.
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Conditions vary: roads may be rocky, sandy, or muddy depending on weather.
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Summer temperatures can be extreme, and winter brings snow—plan accordingly.
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This loop is shared by hikers, backpackers, hunters, and occasional vehicles.
Difficulty
Strenuous due to distance, exposure, and lack of services. Navigation and self-reliance are essential.
HART MOUNTAIN HOT SPRINGS
Hart Mountain Hot Springs is a notable natural hot spring offering a serene and rustic soaking experience. The hot springs comprise several natural pools with varying temperatures. Visiting Hart Mountain Hot Springs provides a unique opportunity to enjoy a tranquil and natural soaking experience while surrounded by the stunning landscape of the Oregon high desert.
Access: Reaching the hot springs involves a drive on unpaved roads, suitable for most vehicles under good weather conditions. However, it's advisable to check road conditions in advance, especially during or after inclement weather. There is overnight and day use parking available at the hot springs.
Amenities: The area around the hot springs is quite primitive, visitors are advised to arrive with enough food and water for their trip.
Usage: The hot springs are open year-round, but accessibility can be challenging during the winter months due to snow and cold weather.
Conservation: Visitors are encouraged to practice Leave No Trace principles to preserve the natural beauty and cleanliness of the springs and the surrounding area.
CAMPING AND PERMIT INFORMATION
Campgrounds: Designated campgrounds offer year-round camping, limited to 14 days.
Backcountry Camping: A self-issued permit is required for backcountry camping, obtainable at the Refuge Headquarters or online.
Facilities: Campgrounds are primitive with pit toilets. Drinking water is available at Camp Hart Mountain and the National Refuge.
WHEN TO VISIT
The spring and fall seasons are ideal, offering mild temperatures and reduced chances of snow. Always check local conditions before planning your trip.
ADDITIONAL INFORMATION
Contact: Hart Mountain National Antelope Refuge Headquarters at 1-541-947-2731.
Website: For more detailed information about hiking routes, camping permits, and stock use, visit the Hart Mountain National Antelope Refuge website.
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