Geology
Coconino County, AZ
Approximate location — plotted from published sources, not a site visit, and not a guarantee of access.
National monument north of Flagstaff preserving a ~1,000-year-old cinder cone and the black Bonito Lava Flow — one of the youngest major volcanic features on the Colorado Plateau. Visitor center exhibits, Lava Flow Trail among aa and pahoehoe textures, and the shared scenic loop road continuing to Wupatki National Monument through juniper grassland and Painted Desert views.
| Region | Coconino County, AZ |
|---|---|
| Coordinates (approx.) | 35.3692, -111.5435 |
| Era | Eruption ~1085 CE; monument 1930 |
| Peak | Cinder cone + Bonito Lava Flow |
| Access | Paved US-89 loop road |
| Nearby | Flagstaff / Wupatki NM / SP Crater |
Public recreation data — BLM & Recreation.gov (RIDB). Verify current access, fees, and seasonal closures before traveling.
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Plan ahead. Leave no trace. Verify current access before traveling.