• Great Rift in winter

    Craters Of The Moon

    National Monument & Preserve Idaho

Trail Accessibility

Trail Descriptions


Our goal is to provide universal access to as many of the major features within the developed area
of the monument as possible, but each trail has its own characteristics. These characteristics are
detailed in this section to help you decide which sites are most suitable for you and your family to visit.

 
accessible trail
Accessible trail to "Snow Cone"
 

NORTH CRATER FLOW

TRAIL LENGTH: 0.3 miles (0.5 km) loop
CUMULATIVE ELEVATION CHANGE: gain 38 ft (12 m), loss 24 ft (7 m)

TYPICAL GRADE: 2.5° (3.6%)
13% of trail is from 4.5° to 10° (8% to 18%)
Standard wheelchair ramp is 4.5° (8%)

TYPICAL CROSS SLOPE: 1.5° (2.8%)
9% of trail is from 4.5° to 12.5° (8% to 22%)

TYPICAL TREAD WIDTH: 43 in (110 cm)
MINIMUM TREAD WIDTH: 26 in (66 cm)

TRAIL SURFACE: asphalt
99% of trail is PAVED, 1% of trail is BOARDWALK
OBSTRUCTIONS: RUTS to 4 inches


WARNING: Trail conditions may have changed since this trail was assessed. Temporary obstructions may
include rock fall. Maximum grades and cross slopes may vary by 10% or more.


NORTH CRATER TRAIL

TRAIL LENGTH: 3.5 miles (5.6 km) round-trip
CUMULATIVE ELEVATION CHANGE: gain 758 ft (231 m), loss 510 ft (155 m)

TYPICAL GRADE: 7.5° (13.4%)
64% of trail is from 4.5° to 43° (8% to 94%)
Standard wheelchair ramp is 4.5° (8%)

TYPICAL CROSS SLOPE: 2.5° (4.2%)
28% of trail is from 4.5° to 48.5° (8% to 113%)

TYPICAL TREAD WIDTH: 44 in (111 cm)
MINIMUM TREAD WIDTH: 18 in (46 cm)

TRAIL SURFACE: cinders and lava
90% of trail is FIRM or HARD, 10% of trail is PAVED
OBSTRUCTIONS: ROCKS to 10 inches, RUTS to 16 inches, STEPS to 19 inches


WARNING: There is one uprooted tree along the trail that restricts vertical clearance to 54 inches. Trail
conditions may have changed since this trail was assessed. Temporary obstructions may include downed
trees and rock fall. Maximum grades and cross slopes may vary by 10% or more.

DEVIL'S ORCHARD

TRAIL LENGTH: 0.5 miles (0.8 km) loop
CUMULATIVE ELEVATION CHANGE: gain 39 ft (12 m), loss 28 ft (9 m)

TYPICAL GRADE: 1.5° (2.5%)
12% of trail is from 4.5° to 9° (8% to 15%)
Standard wheelchair ramp is 4.5° (8%)

TYPICAL CROSS SLOPE: 2° (3.8%)

TYPICAL TREAD WIDTH: 60 in (152 cm)
MINIMUM TREAD WIDTH: 60 in (152 cm)

TRAIL SURFACE: concrete
100% of trail is PAVED


FULLY ACCESSIBLE TRAIL


INFERNO CONE

TRAIL LENGTH: 0.4 miles (0.8 km) round-trip
CUMULATIVE ELEVATION CHANGE: gain 164 ft (50 m)

TYPICAL GRADE: 8.5° (14.9%)
91% of trail is from 4.5° to 15.5° (8% to 28%)
Standard wheelchair ramp is 4.5° (8%)

TYPICAL CROSS SLOPE: 1.8° (3%)

TYPICAL TREAD WIDTH: 60 in (152 cm)
MINIMUM TREAD WIDTH: 60 in (152 cm)

TRAIL SURFACE: cinders
100% of trail is FIRM
OBSTRUCTIONS: ROCKS to 4 inches


WARNING: Trail conditions may have changed since this trail was assessed. Temporary obstructions may
include downed trees and rock fall. Maximum grades and cross slopes may vary by 10% or more.

SNOW CONE

TRAIL LENGTH: .1 mile (.16 km.) round-trip
CUMULATIVE ELEVATION CHANGE: negligible

TYPICAL GRADE: 6.9° (4%)
13% of trail has a grade above 8%
Standard wheelchair ramp is 8%

TYPICAL CROSS SLOPE: 1° (2.1%)

TYPICAL TREAD WIDTH: 74 in (188 cm)
MINIMUM TREAD WIDTH: 71 in (180 cm)

TRAIL SURFACE: concrete
100% of trail is paved
OBSTRUCTIONS: None


FULLY ACCESSIBLE TRAIL

TREE MOLDS

TRAIL LENGTH: 2 mile (3.2 km) round-trip to 1st group of tree molds

CUMULATIVE ELEVATION CHANGE: gain 108 ft (33 m), loss 147 ft (45 m)

TYPICAL GRADE: 3° (5.1%)
20% of trail is from 4.5° to 14° (8% to 25%)
Standard wheelchair ramp is 4.5° (8%)

TYPICAL CROSS SLOPE: 2.5° (4%)
36% of trail is from 4.5° to 10° (8% to 18%)

TYPICAL TREAD WIDTH: 44 in (113 cm)
MINIMUM TREAD WIDTH: 17 in (43 cm)

TRAIL SURFACE: asphalt and cinder
10% of trail is PAVED, 90% of trail is cinder
OBSTRUCTIONS: ROCKS to 5 inches


WARNING: Trail measurements end at 1st group of tree molds. After that point, expect rocks, ruts, and
steps of varying sizes. Trail conditions may have changed since this trail was assessed. Temporary
obstructions may include downed trees and rock fall. Maximum grades and cross slopes may vary by 10%
or more.

BROKEN TOP LOOP

TRAIL LENGTH: 1.8 miles (3 km) loop
CUMULATIVE ELEVATION CHANGE: gain 242 ft (74 m), loss 197 ft (60 m)

TYPICAL GRADE: 3° (4.8%)
23% of trail is from 4.5° to 32° (8% to 62%)
Standard wheelchair ramp is 4.5° (8%)

TYPICAL CROSS SLOPE: 1° (2.3%)
12% of trail is from 4.5° to 16° (8% to 29%)

TYPICAL TREAD WIDTH: 49 in (124 cm)
MINIMUM TREAD WIDTH: 18 in (46 cm)

TRAIL SURFACE: cinders and lava
74% of trail is FIRM, 26% of trail is HARD or PAVED
OBSTRUCTIONS: ROCKS to 12 inches, RUTs to 10 inches, STEPS to 20 inches


WARNING: Entry into Buffalo Cave requires scrambling over loose rock and crouching under low ceilings.
Trail conditions may have changed since this trail was assessed. Temporary obstructions may include
downed trees and rock fall. Maximum grades and cross slopes may vary by 10% or more.

CAVES

TRAIL LENGTH: 1.6 miles (2.6 km) round-trip
CUMULATIVE ELEVATION CHANGE: gain 95 ft (29 m), loss 93 ft (28 m)

TYPICAL GRADE: 2.5° (4.5%)
21% of trail is from 4.5° to 36.5° (8% to 74%)
Standard wheelchair ramp is 4.5° (8%)

TYPICAL CROSS SLOPE: 1.5° (3.3%)
16% of trail is from 4.5° to 16° (8% to 29%)

TYPICAL TREAD WIDTH: 43 in (109 cm)
MINIMUM TREAD WIDTH: 30 in (76 cm)

TRAIL SURFACE: asphalt
100% of trail is PAVED
OBSTRUCTIONS (inside caves): ROCKS to >18 inches , STEPS to > 2 feet, LOW CEILINGS


WARNING: Access into caves requires descending a stairway or scrambling over rock piles. Some caves
have low ceilings in places, so crouching and crawling may be required. Trail conditions may have
changed since this trail was assessed. Maximum grades and cross slopes may vary by 10% or more.


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