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🇺🇸 Warren USFS Airport

Warren, US-ID, US 5896 ft America/Boise
Updated Feb 12, 2026

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Warren USFS Airport serves Warren, US.

Warren USFS Airport (3U1) is a highly specialized, unattended backcountry airstrip primarily utilized by general aviation pilots rather than commercial travelers. Therefore, "traveler reviews" reflect pilot experiences, highlighting its remote nature and challenging conditions. Overall sentiment suggests it's a unique destination for experienced pilots seeking a wilderness flying adventure, but not a facility with conventional amenities or services.

What Travelers Love (Pilots):

  • Remote Wilderness Access: The airport provides direct access to the backcountry of Idaho, offering a unique opportunity for wilderness exploration and outdoor activities.
  • Unspoiled Environment: Pilots appreciate the opportunity to experience a truly undeveloped and natural flying environment.
  • Challenging Flying Experience: For experienced pilots, the demanding conditions, including the natural soil runway and surrounding terrain, offer a rewarding and skill-testing flight.

Common Complaints (Pilots):

  • No Services or Amenities: There are no FBOs, no telephone available, and no terminal facilities or passenger amenities whatsoever at the airport.
  • Challenging Runway Conditions: The natural soil runway is described as being in fair condition with loose rocks, embedded flat rocks, and spotty weed growth. The threshold for Runway 30 is poorly defined.
  • Lack of Maintenance: The airstrip receives no winter maintenance, and there are various obstacles near the runways, including a road crossing, dredge tailings, trees, and buildings.
  • Not for Inexperienced Pilots: Due to downdrafts, terrain, and the runway conditions, the airport is not recommended for inexperienced pilots.
  • No Security or Customs: As an unattended USFS airstrip, there are no security checkpoints (like TSA) or customs/immigration services.

Warren USFS Airport (3U1) is best understood as a primitive airstrip serving a specific niche of general aviation for access to remote wilderness areas. It offers no typical airport amenities, services, or traveler conveniences, and demands a high level of pilot skill due to its challenging and unimproved conditions.

AirportRoutes · updated Feb 12, 2026

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Where is Warren USFS Airport located?

Warren USFS Airport is located in Warren, US, at an elevation of 5896 ft. Its IATA code is — and ICAO code is 3U1.