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       FORTRESS OF ARCHES 
There are over 20 natural arches located 
within the Fortress of Arches. West from 
the Face Rock on Whitney Portal Road. 
        
Bird Mask Arch 
      There are two arches forming a bird mask. 
It could also be called "Twin Arches" 
        
Bird Mask Arch 
      Bird Mask Arch is difficult to access and 
requires some climbing skills. 
      ROCK FORMATIONS and LANDMARKS 
Landmarks to help locate Bird Mask Arch... 
        
Views from Bird Mask Arch 
(Looking towards the north) 
      DIRECTIONS: 
From Lone Pine, CA / Hwy.395 
(At the only stop light in town) 
Turn west on Whitney Portal Road 
About 2 miles park opposite Face Rock. 
Find a trail across Lone Pine Creek 
Walk eastbound and follow trail 
Bird Mask Arch can be viewed near the 
top of the rock formations and is a difficult 
climb. There are no trails to this arch... 
It may be easier to access from the south, 
but can't view the arch from this direction. 
        
From the parking area, you have to find 
a path across Lone Pine Creek. Then walk 
eastbound ... 
      Fortress of Arches can be accessed just west 
from Indian Head Arch. There is a narrow slot 
canyon. Most of the trails down into the Fortress 
of Arches are difficult to locate. 
      ROAD CONDITIONS 
Whitney Portal Road is paved. 
Movie Flat Road is a maintained 
dirt surface with washboards. 
      MAP 
Map of Alabama Hills Arches 
      PHOTO HERE 
Satellite Image of Bird Mask Arch 
        
Fortress of Arches 
      MEASUREMENTS OF ARCH: 
Arches measured at the smallest opening 
      PHOTO HERE (MEASUREMENTS) 
Detailed Measurements for Bird Mask Arch 
Grid measurements available in future release 
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