Johnson Creek, the Grass Strip at Yellow Pine, Idaho, Where You Fly Into a Bowl of Mountains, Camp Under the Wing, and Soak in the Hot Springs a Short Walk From the Runway

Johnson Creek Airstrip (identifier 3U2) is a state-maintained grass runway tucked in a mountain bowl near Yellow Pine, Idaho, in the Salmon River backcountry. Sitting at roughly 4,900 feet of elevation with about 3,500 feet of manicured, sloping turf, it’s widely considered the crown jewel of Idaho’s backcountry airstrip network - a place where pilots camp under their wings, fish a cold creek, and soak in natural hot springs a short walk from the runway. It is also demanding terrain that rewards mountain training and punishes showing off.

Where Is Johnson Creek Airstrip?

Johnson Creek lies deep in the Idaho backcountry, threaded into a steep, timbered valley in the Salmon River country near the small town of Yellow Pine. You reach it by flying down a narrowing canyon with rising terrain on both sides, then turning final into a bowl of mountains.

The strip is maintained by the State of Idaho through the Idaho Division of Aeronautics, which keeps a whole network of backcountry airstrips alive. Among them, Johnson Creek is the one pilots talk about most.

What Makes Johnson Creek Special?

This is wilderness flying with a welcome mat. The grass is mowed, watered, and cared for. There are tie-downs, restrooms, and a pilot shelter with a fireplace - unusual comforts for a strip a hundred-plus miles into the mountains.

Touching down feels like landing on a putting green at the bottom of a postcard. The ramp fills with backcountry iron: Cessna 180s and 185s on big tires, a long row of Super Cubs, plus Huskies, Maules, and Scouts. Nearly every airplane has a tent pitched right off the wingtip.

Can You Camp at Johnson Creek?

Yes - camping under the wing is part of the tradition. You tie down, unroll a sleeping bag in the shadow of the wing, and fall asleep to the sound of the creek.

Johnson Creek itself runs right along the field, cold and clear, and holds trout worth fishing. And yes, there are hot springs: a natural soak a short distance from the field where pilots sit in warm water under a sky with no city glow - just stars, pine, and the tick of a cooling engine across the ramp.

How Do You Land at Johnson Creek?

The runway runs roughly north–south, and like almost every backcountry strip, it slopes. Local wisdom - always confirmed against current conditions and someone who knows the field - is to land uphill to the south and take off downhill to the north, regardless of a light wind. In a canyon, the terrain writes the rules, not the windsock.

You don’t casually line up and land here. The valley funnels you in and the terrain rises around you, so once you turn final into the bowl, a go-around is not the easy option it is at a flat home pattern. Brief the landing and fly it like you mean it.

Why Is Density Altitude a Concern Here?

Density altitude will humble you. In summer, a field near 5,000 feet bakes under the afternoon sun, and an airplane that leaps off pavement at home turns into a tired dog rolling down the grass.

This is why experienced backcountry pilots fly in the cool of the morning. You want thick, cold, dense air working for you when canyon walls are closing in around your climb-out.

Do You Need Special Training to Fly Into Johnson Creek?

Yes. This is not a place to show up and wing it - the Idaho backcountry has taken good pilots. Safe canyon flying demands real mountain training, honest aircraft performance numbers, humility about your airplane and yourself, and the discipline to turn around and fly back to the flatlands when it isn’t your day.

Get a proper mountain checkout and fly with someone who knows these strips. The knowledge here gets passed down around the fire pit - veteran pilots who have flown in every kind of light showing newcomers which strip to try next and which one they aren’t ready for. Done right, settling onto that emerald grass on a cool morning is one of the finest moments in aviation.

Key Takeaways

• Johnson Creek (3U2) is a state-maintained grass strip near Yellow Pine, Idaho, at about 4,900 feet elevation with roughly 3,500 feet of sloping turf.
• It’s the crown jewel of the Idaho Division of Aeronautics backcountry network, offering tie-downs, restrooms, a pilot shelter, creek fishing, and nearby hot springs.
• Standard technique is to land uphill (south) and take off downhill (north); terrain, not wind, dictates the pattern.
• Density altitude is a serious factor - fly in the cool morning air for better performance on climb-out.
• Never attempt it without proper mountain training and a checkout from a pilot experienced in these canyons.