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Summit

O'Leary Peak

Arizona

About

O'Leary Peak is a summit of 8,918 feet in the Flagstaff Ranger District of Coconino National Forest in Arizona, managed by the Forest Service. The nearest town is Timberline-Fernwood, about 6 miles away. The most comfortable months for a visit are typically late spring and early fall. Typical averages from a nearby weather station at Ft Valley show May highs around 71°F and September highs around 76°F, while July and August bring the most wet days. The O'Leary Trail starts just 0.1 mile from the peak. O'leary campground sits about 2 miles away, and Bonito campground is about 2.4 miles off. For more time on foot, the Lenox Crater Trail is about 2.7 miles away.

Summit Facts

Summit elevation

8,918 ft

Land manager

Forest Service

Elevation from USGS 3D Elevation Program terrain data (about 10 m resolution).

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Location

O'Leary Peak

Arizona

Name and location: U.S. Geological Survey, Geographic Names Information System (GNIS). Elevation: USGS 3D Elevation Program. View the GNIS record.

Facts about this place

When to go

Best time to go: May–Oct. The mildest months here, with typical highs of 66–84°F and lows of 30–49°F.

Typical monthly averages (not a forecast) from the Ft Valley, AZ weather station, 15 mi away. High / low in °F.

  1. Jan46° high17° low
  2. Feb48° high20° low
  3. Mar54° high24° low
  4. Apr62° high27° low
  5. May71° high33° low
  6. Jun82° high40° low
  7. Jul84° high49° low
  8. Aug81° high49° low
  9. Sep76° high41° low
  10. Oct66° high30° low
  11. Nov55° high23° low
  12. Dec46° high16° low

The station sits about 1,600 ft lower than this spot, so expect it to run cooler up here.

Source: NOAA NCEI U.S. Climate Normals 1991–2020

Where it is

Nearest town
Timberline-Fernwood, Arizona · 6 mi
Managed by
Forest Service

Source: USFS EDW boundaries; USGS PAD-US 4.1; USGS GNIS populated places

Conditions

Active alerts for Flagstaff Ranger District as of Oct 9, 2026:

Source: USFS forest alerts

Nearby

Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)

    O'Leary Peak — Summit in Arizona | Roamze