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Summit

Slate Mountain

Arizona

About

Slate Mountain is a summit of 8,215 feet in the Flagstaff Ranger District of Coconino National Forest in Arizona, about 13 miles from the town of Fort Valley. The most comfortable months for a visit are typically late spring and early fall. Typical averages from a nearby weather station at Fort Valley show May highs around 71°F and September highs around 76°F, with July and August bringing the most wet days. Slate Mountain Trail #128 starts less than a mile away. Red Mountain Trail #159, Bull Basin Trail #40 and the Arizona Trail are all within about 7 miles.

Summit Facts

Summit elevation

8,215 ft

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

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Location

Slate Mountain

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, 17 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

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

Where it is

Nearest town
Fort Valley, Arizona · 13 mi

Source: USFS EDW boundaries; 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)

    Slate Mountain — Summit in Arizona | Roamze