Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
Big Muddy Ranch Airport (2OR1) is a privately owned airfield near Antelope, Oregon, sitting at 1,641 feet elevation and surrounded by high terrain. The field is unattended by a tower and sees very light business aviation activity, with the nearest customs-capable airport, KPDX, roughly 100 nautical miles away. Its single paved runway and remote location make it a facility typically used for specific, planned access rather than routine transit traffic.
Big Muddy Ranch Airport has one paved runway, 04/22, 4,185 ft long and 70 ft wide, with an asphalt surface.
Runway geometry from published threshold coordinates. Not for navigation.
Source: FAA Form 5010.
The airport has no control tower.
Source: FAA Form 5010 / NASR.
Big Muddy Ranch Airport does not clear customs. The nearest port of entry is Portland International (KPDX), 100 NM away.
Source: CBP list of ports of entry.
Big Muddy Ranch Airport recorded 1 business aviation movements in 2025. Traffic peaks in May. Business aviation traffic at 2OR1 recorded in FAA TFMSC data for 2025 was concentrated entirely in May.
Business jet movements, FAA TFMSC count. Peak month May, 1 movements in 2025.
Source: FAA TFMSC, business jet movements, 2025.
Big Muddy Ranch Airport averages 12.1 days above 90°F in July, 25.9 freeze days in December and 1.6 snow days in December. July is the warmest month, with average highs of 87.3°F, and December the coldest, at 41.6°F.
Weather station is 11.0 NM from the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: NOAA NCEI.
Big Muddy Ranch Airport has published operating constraints in two categories: runway notes and other notes.
Low intensity runway lights (LIRL) serve runway 04/22.
The airport is surrounded by high terrain.
For clearance delivery, contact Seattle ARTCC.
Source: FAA Chart Supplement.
Big Muddy Ranch Airport has five airfields within 42 NM. The closest is Madras Municipal, 29.71 NM west.
Source: Skystar calculation from official coordinates.
We arrange catering, fuel and trip support here. Supplier prices reach you unchanged; our coordination fee sits on its own line.
$1,200.00 catering order at 2OR1.
What the kitchen invoices us is what your quote reads.
It does not move with the size of the order.
Passed on at the exact amount the processor took.
Market practice figures are industry averages, not a specific competitor.
Big Muddy Ranch Airport, local identifier 2OR1, sits near Antelope, Oregon, at an elevation of 1,641 feet. The field is privately owned and surrounded by high terrain, so crews should plan arrivals and departures with that terrain in mind. It has no operating control tower. The nearest metro area is roughly 104 nautical miles away, reflecting the airport's remote setting.
2OR1 has a single paved runway, 04/22, measuring 4,185 feet long and 70 feet wide with an asphalt surface. This is also the airport's maximum paved runway length. Runway lighting is limited to LIRL (low intensity runway lights) on 04/22, so night operations should be planned accordingly.
Big Muddy Ranch Airport does not have customs facilities onsite. The nearest customs-capable airport is KPDX, located approximately 100 nautical miles away. Operators requiring customs clearance should route through KPDX or coordinate arrival plans in advance, since no such service is available directly at 2OR1.
Business aviation traffic at Big Muddy Ranch Airport, per FAA TFMSC data for 2025, is concentrated in a single month, May. The airport shows minimal annual operations overall, consistent with its private, low-traffic character. Dispatchers planning around this field should note that activity is not distributed evenly through the year.