Last updated: September 23, 2023
Thing to Do
Hike Up Inferno Cone
Trail length: 0.4 mi (0.8 km) round-trip
Elevation gain: 164 ft (50 m)
The steep trail to the top of Inferno Cone is challenging, but it rewards hikers with 360-degree views of the Great Rift, the Snake River Plain, and the Pioneer Mountains. On the clearest days you may even see the Teton Range, 100 miles to the east. Caution: This open, exposed trail can be hazardous in high winds.
Elevation gain: 164 ft (50 m)
The steep trail to the top of Inferno Cone is challenging, but it rewards hikers with 360-degree views of the Great Rift, the Snake River Plain, and the Pioneer Mountains. On the clearest days you may even see the Teton Range, 100 miles to the east. Caution: This open, exposed trail can be hazardous in high winds.
Details
Duration
30-45 Minutes
Activity
Hiking
Pets Allowed
No
Pets are not allowed on any trails or in caves. Lava rocks are rough and jagged. The surface of the dark rocks can reach 150°F (65°C) or more in the summer and quickly burns paws. Pets should never be left unattended in vehicles or the campground. Parking areas do not have shade and air temperatures can exceed 90°F (32°C) in the middle of summer.
Activity Fee
No
Entrance fees may apply, see Fees & Passes information.
Reservations
No
Season
Spring, Summer, Fall
Accessibility Information
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: Gravel-like 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, loose cinders, and rock fall. Maximum grades and cross slopes may vary by 10% or more.
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: Gravel-like 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, loose cinders, and rock fall. Maximum grades and cross slopes may vary by 10% or more.