Quick FactsOverview
About Ryegrass Hot Springs
Ryegrass Hot Springs, Oregon is a pair of small rock-lined soaking pools on the bank of the Owyhee Wild and Scenic River, set inside one of the most remote canyons in the western United States. The springs are free and managed by the BLM, but are accessible to most visitors only by multi-day float trip on the Lower Owyhee River from the Rome put-in. The pools sit at river level in a narrow gravel area surrounded by the dramatic basalt and rhyolite canyon walls of the Owyhee corridor.
The Lower Owyhee is a designated Wild and Scenic River, and Ryegrass is one of several geothermal features encountered along the float route, along with Greeley Bar Hot Springs further downstream. Boaters typically complete the full run as a four to six day float from Rome, covering approximately 60 to 120 river miles depending on the section chosen. Ryegrass falls roughly in the middle of the canyon section, making it a midpoint reward for those on the full float. Free natural hot springs of this remoteness and canyon character are genuinely rare in Oregon.
The spring water at Ryegrass can run hot, and boaters commonly use a bucket to transfer river water into the pool to moderate the temperature. The BLM limits overnight stays at the hot springs to one night per party to preserve the experience for all users of the river corridor.
Location & Access
Getting to Ryegrass Hot Springs
Ryegrass Hot Springs is reached primarily by floating the Lower Owyhee Wild and Scenic River, putting in at Rome, Oregon on US Highway 95 in Malheur County. The float from Rome to the Ryegrass camp area covers approximately 30 to 40 river miles and takes most parties two to three days at typical spring flows. The Lower Owyhee is runnable primarily in spring, from roughly March through May, when snowmelt produces sufficient water levels. The BLM recommends a minimum flow of 800 cfs, with 1,500 cfs or more considered optimal for raft trips. Outside the spring float window, the river is typically too low to navigate.
Overland access to Ryegrass Hot Springs is theoretically possible but is not practical for most visitors. The nearest road access requires a high-clearance 4WD vehicle, miles of rough desert track, a river crossing, bouldering through rough terrain, and navigating through poison ivy. No signage or established trail connects any road to the springs. For visitors looking for hot springs near Jordan Valley, the more accessible Owyhee area options include Three Forks Warm Springs and Snively Hot Springs, both of which can be reached by vehicle. Ryegrass is specifically a reward for those committed to the river journey through the Owyhee Canyon.
Suitability & Accessibility
Who Ryegrass Hot Springs Suits
Ryegrass Hot Springs suits experienced whitewater paddlers, rafters, and multi-day river travelers undertaking a float trip on the Lower Owyhee Wild and Scenic River. The spring is not a destination that can be meaningfully visited as a standalone hot spring trip for the vast majority of visitors. Those who reach Ryegrass typically do so as part of an Owyhee River expedition, arriving by raft or kayak as part of a four to six day float through the canyon. The soaking experience is a welcome reward at the end of a day on the water.
For paddlers and river travelers, Ryegrass is one of the highlights of the Lower Owyhee run, offering a hot soak in a dramatic canyon setting with no other visitors beyond fellow boaters on the same float. The spring flows freely and requires no hiking or digging to access from the river camp, making it easy to use once you arrive. The free status and BLM management mean no permit is required specifically for the hot springs, though river self-registration may apply for camping in the Owyhee corridor.
Wheelchair access is not possible by any route. The pools can run very hot, requiring river water to be added for comfort. Nudity is common at this remote site among boating groups. Families with young children should carefully consider whether a multi-day whitewater float on a remote desert river is appropriate. The BLM limits hot springs camping to one night per party.
Safety & Etiquette
Safety and Etiquette at Ryegrass Hot Springs
Ryegrass Hot Springs is a remote site accessed by a technical river in one of the most isolated canyons in the western United States, and safety at the springs begins with the float itself. The Lower Owyhee River is a Class II-IV run with rapidly changing conditions tied to snowmelt. Flows can spike dramatically without warning, and conditions that were safe one day can become dangerous the next. Anyone planning a float trip should be an experienced paddler or traveling with a qualified guide service, carry appropriate whitewater and wilderness safety equipment, and file a float plan with someone onshore.
At the springs themselves, water temperature can be on the hot side and visitors should test before soaking, using a bucket to introduce cold Owyhee River water until comfortable. The pool rocks can be slippery. Leave No Trace principles are especially important here, where no infrastructure manages waste. All human waste must be carried out using a groover or river toilet system, as is standard practice for Owyhee River floats. Pack out all other waste without exception.
The BLM limits overnight stays at the hot springs to one night per party. Respect this limit and move on to allow other boating groups the same experience. The canyon is home to rattlesnakes, which are common in adjacent desert terrain, and poison ivy grows in many drainages and along river banks in the Owyhee corridor. Be aware of your surroundings when walking onshore.
No cell service exists anywhere in the lower Owyhee canyon. Emergency rescue requires helicopter access and is a significant undertaking. Self-rescue capability and wilderness first aid training are strongly recommended for all members of an Owyhee float party.


