Hardboard Spring

Klamath County County, Oregon · Near Klamath Falls
42.1780°N, 121.8010°W · 4,112 ft
70°F 4,112 ft Roadside Camping nearby (12.9 mi)

Hardboard Spring flows at 70°F from roadside terrain 36 meters from the nearest road in Klamath County near Klamath Falls, emerging about 21 degrees above the area's 49°F average air temperature. At 4,112 feet elevation, the spring produces marginally warm water in the ponderosa pine belt of the Klamath Basin, though specific flow and chemistry data remain undocumented in NOAA records.

The spring emerges in open ponderosa pine forest at 4,112 feet elevation, where views extend north to 9,495-foot Mount McLoughlin, the dominant volcanic peak of the southern Oregon Cascades. Annual precipitation totals 20.2 inches with 52.5 inches of snow, supporting pine woodland interspersed with bunchgrass openings. The surrounding area transitions between Cascade volcanic highlands and the basin-and-range geology extending east. Topsy Campground lies 21 kilometers away on the Klamath River, which has seen substantial recent restoration efforts following dam removals.

History of Hardboard Spring

The name appears industrial in origin, possibly referencing mid-20th-century forest products operations, though specific documentation is sparse. The Klamath Basin supported Indigenous populations for millennia before Euro-American settlement in the 1860s. The spring has remained undeveloped, noted in geological surveys but not commercialized like municipal springs within Klamath Falls.

Access is straightforward during snow-free months, typically May through October. Winter accumulation of 52 inches makes approach difficult. The 70°F temperature is too cool for comfortable soaking. Bring standard hiking gear and be prepared for afternoon thunderstorms in summer. Topsy Campground 21 kilometers northwest offers riverside camping and fishing access. Combine with visits to Klamath River restoration sites or Mount McLoughlin trails.

Is Hardboard Spring worth visiting?

Best for

  • Easy day trips
  • Overnight camping trips
Hardboard Spring is well suited for easy day trips and overnight camping trips.
Monthly Climate
33°
Jan
34°
Feb
39°
Mar
45°
Apr
53°
May
62°
Jun
72°
Jul
71°
Aug
63°
Sep
50°
Oct
39°
Nov
32°
Dec
Annual Precip: 20.2 in Annual Snow: 52.5 in
Best Time to Visit
December Air 32°F · Water 70°F · +38° contrast
January Air 33°F · Water 70°F · +37° contrast
February Air 34°F · Water 70°F · +36° contrast
December offers 40°F more contrast than July
Nearby Camping
Topsy Campground 12.9 mi away

Located on the rugged shoreline of the newly restored Klamath River, the Topsy Campground provides a quiet location for relaxing camping, picnicking, fishing, and river boating. The area is set in an open ponderosa pine forest with nearby views of Mount McLoughlin, an icon of the southern Oregon Cascade Mountains.Know Before You Go:Open Season Topsy Campground is open seasonally from May through October.13 Campsites with picnic tables, fire rings, and tent pads; first come, first serve.Univer...

Fee $7 per night, $4 per extra vehicle, $2 day use area.
Reserve on Recreation.gov →
What to Bring
Swimsuit & towel
Water bottle Stay hydrated, especially in hot water
Camping gear Nearby camping at Topsy Campground
Trash bag Pack out what you pack in
References
USGS Quad: (KLAMATH FALLS 15) · Circ 790: 187.0 · NOAA: 2.0 · AMS Map: KLAMATH FALLS
Frequently Asked Questions
What is the water temperature at Hardboard Spring?
Hardboard Spring has a water temperature of 70°F (21°C). This is a warm thermal spring.
Where is Hardboard Spring located?
Hardboard Spring is located in Klamath County, Oregon at 4,112 feet elevation, near Klamath Falls. Coordinates: 42.1780°N, 121.8010°W.
How do I get to Hardboard Spring?
Hardboard Spring has Roadside road access (118 ft from the road).
Can I camp near Hardboard Spring?
Yes, Topsy Campground is located nearby (12.9 miles away). $7 per night, $4 per extra vehicle, $2 day use area..
Is it safe to soak at Hardboard Spring?
Hardboard Spring is generally safe for soaking at its recorded temperature. Access may be on private land or unconfirmed — verify current conditions before visiting. Always tell someone your plans before visiting remote hot springs.
Is Hardboard Spring crowded?
Hardboard Spring is accessible from a paved road, making it easy to reach. Weekends and holidays may be busier — consider visiting on a weekday for a quieter experience.
What should I bring to Hardboard Spring?
Essentials for Hardboard Spring: swimsuit, towel, water bottle, camping gear, a trash bag to pack out what you pack in.
Temperature
70°F
Warm Hot Boiling
Water Temp 70°F (21°C)
Avg Air Temp 49°F
Above Ambient +21°F
Good soaking conditions March
Access
Road Access Roadside
Distance to Road 118 ft