The Black Mailbox site on Nevada’s Extraterrestrial Highway (SR-375) is a decades-old pull-off where UFO watchers gather near the Groom Lake Road corridor. The physical box has been moved, stolen, and replaced over the years, but the highway junction remains a landmark stop between Alamo and Rachel. Expect no services and sparse traffic; leave the site as you found it.
Field facts
| Region | Lincoln County, NV |
|---|---|
| Coordinates | 37.4572, -115.4827 |
| Location | SR-375 |
| Culture | Area 51 lore |
| Access | Roadside pull-off at SR-375 and Mailbox Road |
| Nearby | Rachel |
| Fee | Free |
| Best season | Year-round |
| Agency | NDOT / public highway right-of-way |
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