Mountain · 1 route

Rattlesnake Peak

5,817 ft · California

Summit
5,817 ft
Routes
1 way up
Season
Year-round
Map of the route up Rattlesnake Peak, with each route's start numbered and the summit marked
Bichota Canyon TrailMap © Mapbox © OpenStreetMap contributors

About Rattlesnake Peak

Rattlesnake Peak is a summit of 5,817 feet in the San Gabriel Mountains National Monument Ranger District of Angeles National Forest, about 10 miles from Glendora, California. Spring and fall are the most comfortable times to go. Typical averages from the nearby Wrightwood weather station, at a similar elevation, show May highs around 69°F and October highs around 64°F, while winter highs sit in the upper 40s. Several trails start close by, including Allison Gulch Trail, East Fork Trail and Heaton Flat Trail, each within about 2.5 miles. Coldbrook Campground, about 4 miles away, offers a place to stay.

Forecast on Rattlesnake Peak

Daily highs and lows, wind and the chance of precipitation at the summit and route start for the next 7 days, from the Open-Meteo model.

Questions about Rattlesnake Peak

How tall is Rattlesnake Peak?

5,817 ft (1,773 m).

How many routes go to the summit of Rattlesnake Peak?

One: Bichota Canyon Trail.

When is the best time to climb Rattlesnake Peak?

Year-round.

Mountains nearby

More mountains in California

Facts about this place

When to go

Best time to go: Apr–Oct. The mildest months here, with typical highs of 60–83°F and lows of 32–53°F.

Typical monthly averages (not a forecast) from the Wrightwood, CA weather station, 10 mi away. High / low in °F.

  1. Jan48° high26° low
  2. Feb48° high25° low
  3. Mar54° high29° low
  4. Apr60° high32° low
  5. May69° high39° low
  6. Jun78° high44° low
  7. Jul83° high53° low
  8. Aug82° high51° low
  9. Sep75° high46° low
  10. Oct64° high37° low
  11. Nov55° high29° low
  12. Dec47° high25° low

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

Where it is

Nearest town
Glendora, California · 9.7 mi

Source: USFS EDW boundaries; USGS GNIS populated places

Conditions

Active alerts for Angeles National Forest as of Oct 9, 2026:

Source: USFS forest alerts

Is Rattlesnake Peak open right now?

Alert in the area

The Forest Service lists 7 alerts for Angeles National Forest.

As of · Source: USFS · Angeles National Forest. Agencies don't list every closure — check before you go.

Best time to visit Rattlesnake Peak

Best months: April–October. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.

  1. Jan

    48° / 26°

    5 wet

  2. Feb

    48° / 25°

    8 wet

  3. Mar

    54° / 29°

    6 wet

  4. Apr

    60° / 32°

    4 wet

  5. May

    69° / 39°

    2 wet

  6. Jun

    78° / 44°

    1 wet

  7. Jul

    83° / 53°

    2 wet

  8. Aug

    82° / 51°

    2 wet

  9. Sep

    75° / 46°

    2 wet

  10. Oct

    64° / 37°

    3 wet

  11. Nov

    55° / 29°

    4 wet

  12. Dec

    47° / 25°

    5 wet

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Wrightwood, CA, 10 mi away at 6,000 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.