Mileage Markers


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SWIFT-TRAIL ROAD REFERENCE MARKERS


Arizona Highway 366 (Swift Trail) provides access to within two miles of the Mt. Graham International Observatory (MGIO).  Landmarks and mile posts are located along Swift Trail and are listed below:

 

Location Milepost Marker Miles for Basecamp
MGIO Base Camp 114.7   0.0
Marijilda Canyon Road Intersection 116.8   2.1
4,000' Elevation Marker 117.5   2.8
Coronado Forest Boundary 118.5   3.8
FR-861 Road Intersection (Heliport) 119.5   4.8
FR-667 Road Intersection USFS Work Site (5,000 elevation) 120.4   5.5
Noon Creek crossing 121.0   6.2
FR-329 Road Intersection Angle Orchard 121.4   6.4
Round the Mountain Trailhead turnout 121.5   6.5
6,000' Elevation Marker 123.3   8.3
Wet Canyon Bridge 123.6   8.6
Arcadia Campground 125.5 10.4
Cluff Dairy Turnout (Heliport) 126.2 11.0
7,000' Elevation Marker 126.6 11.4
Turkey Flat (old general store) 127.9 12.7
Twilight Campground Road Intersection 128.4 13.2
8,000' Elevation Marker 130.1 14.9
Lady Bug Saddle (8,508' Elevation) 131.0 15.8
Utility Corridor 132.1 16.9
Hagens Point (The Kitchen) 133.3 17.9
9,000' Elevation Marker 134.5 19.1
Snow Flat Campground Road Intersection 135.2 19.8
Shannon Campground & Heliograph Peak Road Intersection 135.8 20.4
FR-507 Intersection (High Peak) 136.1 20.7
Swift Trail (Hwy 366) Main Gate 136.2 20.8
Treasure Park Road Intersection 137.0 21.6
Hospital Flat Campground (Alternate Heliport) 137.2 21.8
Grant Hill Intersection 137.8 22.4
Grant Creek crossing 139.2 23.6
Cunningham Campground 139.9 24.3
Moonshine Creek crossing 140.6 25.0
Post Creek crossing 141.4 25.8
Ft. Grant Vista Overlook 141.8 26.2
MGIO - Emerald Peak Access Road Intersection 142.3 26.7
Old Columbine - Bible Camp Road Intersection (Heliport) 143.2 27.6
Public Horse Corral 143.3 27.7
Soldier Creek Campground 143.7 28.1
Peters Flat 144.3 29.0
Chesley Flat 145.5 30.2
FR-287 Riggs Lake Road Intersection 147.5 32.2

 Copyright Arizona Radio Observatory.
For problems or questions regarding this web contact [tfolkers{at}email{dot}arizona{dot}edu].
Last updated: 11/08/11.