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See the Retired Peak Guides in the Archives for Microsoft Word and other versions of this peak guide.


Ingham Peak


Location: San Bernardino County, about 7 miles northwest of Fawnskin, 110 miles from Los Angeles


Auto ClubLos Angeles and Vicinity
Forest ServiceSan Bernardino National Forest
USGS TopoButler Peak 7½
Official HPS Maps TPO file - Save to your computer then open with National Geographic TOPO!
 Viewable PDF file - Approximately 4.6 megs
 GPX file or Google Earth KML file to download to GPS units and other map software (How to use GPX and KML files)
 Routes as shown on CalTopo using the above files (How to use CalTopo)

Nearby Peaks: Shay Mountain, Little Shay Mountain, Deer Mountain

Printable version of this route


(USFS Adventure Pass may be required)
Distance: 8 miles round trip on road, trail, and cross-country
Gain: 1600'
Time: 3-4 hours round trip
Rating: Class 1, moderate
Navigation: Moderate
Route: Grasslands and pinyon-juniper woodland

Original: Warren E. von Pertz and Al Campbell, November 1974


From the south:

  • Drive to the town of Fawnskin (east on I-10 to I-215, then north to SR 210, then east to SR 330, then north to SR 18, then east to the dam at Big Bear Lake, then north on SR 38).
  • Turn left (northwest) on Rim of the World Drive (3N14) in Fawnskin (paved for first 1/2 mile). Note your odometer and go as follows:
  • At 1.3 miles, fork with 2N13 to the left and 3N14 to the right. Keep right.
  • At 1.8 miles, fork with Holcomb Valley Road (3N12) to the right. Keep left.
  • At 2.0 miles, Hanna Flat with 2N68 to the left. Go right.
  • At 4.4 miles, stream crossing and junction with 3N93 to the left and 3N08 to the right. Go straight.
  • At 6.0 miles, fork with 3N97 to the left. Go right.
  • At 6.9 miles, junction with 3N16 at Big Pine Flat. Keep straight.
  • At 7.0 miles, entrance to Big Pine Flat Campground. Keep straight.
  • At 10.5 miles, junction with 3N41 on the left. Go left a short distance and park by the gate.

From the north:

  • Drive east on I-10 and north on I-15 to the Hesperia turnoff.
  • Go east on Main Street in Hesperia for 7.2 miles to the "Y" junction of Rock Springs Road (on the left) and Arrowhead Lake Road (the main road continuing on the right). Turn left (east) on Rock Springs Road. Note your odometer and go as follows:
  • At 2.9 miles, Kiowa Way on the left. Continue straight as Rock Springs Road becomes Roundup Way.
  • At 5.9 miles, pavement ends. Continue east.
  • At 7.3 miles, intersection with the Bowen Ranch Road. Turn right (south).
  • At 8.2 miles, fork. Keep left.
  • At 9.4 miles, junction with Coxey Truck Trail (3N14), turn left. This is the turnoff for Round Mountain and one of the Luna Mountain routes. Note your odometer again and go as follows:
  • Drive 4.4 miles, pass through a gate.
  • At 7.3 miles at the juncture with 4N16 continue south on 3N14 for another two miles to parking area.


  • From the parking area (5860'), hike south past the gate, following the old roadbed about 0.4 mile to another gate.
  • Continue past the gate, following the old roadbed and trail segments about 1.2 miles to a wide flat area beyond the site of Hawes Ranch, signed "Muddy Springs - 3".
  • Follow the Muddy Springs Trail west for 1 1/2 miles to saddle 6240'+. Note that the trail has been re-routed from the track shown on the topo. It now swings north to the saddle west of bump 6212', then traverses gently south to the saddle.
  • Turn left and hike south following a cat track over the first bump to a junction with a hard-to-find triangular sign stamped "BA12".
  • Turn right and follow the cat track south down the ridge, passing to the right (west) of a minor bump 6360'+, down to a saddle, up over another bump 6360'+, down to another saddle, and up to the summit.

A triangular sign (now fallen) on the summit reads "BA15".


The area is popular with deer hunters. The season begins the 2nd Saturday of October and runs for 30 days.

Dirt roads are seasonal. Call Big Bear Ranger District at (909) 866-3437 for information.


Deer Mountain, Shay Mountain, Little Shay Mountain, and Ingham Peak are often combined into a single hike. The key is the saddle at 6240'+, the common point for each peak when climbed from 3N41.

History of Summit Signature

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