The I Trail, part of the Winter Grooming Snowmobile system for over-snow vehicle (OSV)/snowmobile use, is a popular connector trail between June Lake Junction and the A and D Trails. There is a general store and gas station at the junction of Highway 395 and Highway 158. Groomed and marked with orange diamonds, the trail crosses through the OSV tunnel under Hwy 395 north of June Lake Junction and heads out toward a small volcanic crater dubbed Devil's Punchbowl before straight-lining south to Deadman Summit. From here, the trail heads east and climbs toward the rim of the Long Valley Caldera, offering extensive views and multiple connections toward Bald Mountain Summit or south toward Lookout Mountain and Mammoth Lakes. The Winter Grooming Snowmobile System is groomed by the U.S. Forest Service with funding provided by the California Department of Parks and Recreation, using monies generated by registration fees and gasoline taxes.
I Trail - Groomed Snowmobile Trail 12.9 mi
Avalanche Forecast for 11/30/2024
- AVALANCHE FORECAST: Surface instabilities like storm and wind slabs have become increasingly unlikely in the days since our last storm. However, a concerning structure of strong, new storm snow over weak, old facets exists in isolated areas, particularly in the northern half of the forecast area. As you head out into the backcountry, it's worth building in larger terrain margins to account for this uncertainty. Find out More
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Trail Activities
Public Services
Trail Information
- Snow
- A standard ramp is 8%. Conditions subject to change.
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This trail is accessed at the junction of Highway 395 and Bald Mountain Road.
*Note that not all facilities are accessible via public transit.
Related Experiences
Snowmobiling Shady Rest to Bald Mountain
52.3 mi
- Rating: ,
- Surface: Snow,
- Duration: Half day
Related Experiences
Experience | Rating | Length (mi) | Surface | Duration |
---|---|---|---|---|
Snowmobiling Shady Rest to Bald Mountain | 52.3 | Snow | Half day |