On the Rocks Airport
Daylight today(Jul 18, 2026, local time)
About 14h 3m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About On the Rocks Airport
On the Rocks Airport is a small airport in Alpine, United States. It sits at an elevation of 2,650 ft (808 m) and has 1 runway, the longest 2,340 ft / 713 m. It observes America/Los Angeles local time. The nearest airport is Reider Ranch Airport (CA75), about 8.7 nm to the sse.
Summary generated from this airport’s structured data — reference only.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (1)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 15 / 33 | 2,340 ft / 713 m | 60 ft | Grvl | Unlit | Open |
Airspace in this area(1)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| SAN DIEGO CLASS B AREA K | Class B | Controlled | 5800 ft MSL | 10000 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Nearby airports
Great-circle distance and true bearing from On the Rocks Airport.
Frequently asked questions
Where is On the Rocks Airport located?
On the Rocks Airport is small airport located in Alpine, United States, at an elevation of 2,650 ft (808 m).
How many runways does On the Rocks Airport have?
On the Rocks Airport has 1 runway, the longest being 2,340 ft / 713 m.
What time zone is On the Rocks Airport in?
On the Rocks Airport is in the America/Los Angeles time zone (UTC-07:00).
What is the magnetic variation at On the Rocks Airport?
The magnetic variation (declination) at On the Rocks Airport is approximately 10.8° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near On the Rocks Airport?
The nearest airport to On the Rocks Airport is Reider Ranch Airport (CA75), about 8.7 nm to the sse, followed by John Nichols Field Airport and Gillespie Field.
Is the information on this page suitable for flight planning?
No. On the Rocks Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.