Rock Creek Road to Lake Inez
Expert granite boulder field to alpine paradise
This backcountry access road punches deep into the Beartooth Mountains from Red Lodge, following Rock Creek through a dramatic granite canyon before climbing above treeline to Lake Inez at 10,300 feet. The final 6 miles turn technical with large granite boulders, water bars, and loose rock switchbacks that demand careful tire placement and momentum management. At mile 12, you’ll cross the outlet of Silver Run Lake where the trail becomes a true 4WD challenge with several mandatory rock steps.
Expert-level terrain requiring lockers or limited-slip differential, aggressive tires, and full skid plate armor. The season is brutally short – mid-July to early September when snow allows access to the upper elevations. No permits required but carry extra fuel as Red Lodge is 45 miles behind you once committed. Lake Inez offers pristine dispersed camping with 12,000-foot peaks reflecting in gin-clear water, making this one of Montana’s most rewarding technical challenges for those with the skills to reach it.
Trail Specs
| Difficulty | Expert |
|---|---|
| Trail Type | Technical 4x4 |
| Surface | Dirt, Rock |
| Features | Camping, High Altitude, Remote, Scenic, Water Crossings |
| Length (miles) | 18 mi / 29 km |
| Duration | 1-2 days |
| Max elevation (ft) | 10300 ft |
| Best season | July-September |
| Minimum vehicle | Locked 4WD with armor and aggressive tires |
| Nearest town | Red Lodge, Montana |
| Land manager | Custer-Gallatin National Forest |
| Permit required | No |
| Cell service | None |
| Water crossings | Yes |
| Dispersed camping | Yes |
| Start coordinates | |
| End coordinates | |
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Location
Trail Conditions
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Frequently asked questions
Can a lifted 4Runner or Jeep Wrangler handle Rock Creek Road to Lake Inez, or does it need lockers?
Lockers are not optional here — they're listed as minimum requirement alongside skid plates and aggressive tires. A stock lifted 4Runner will likely get stopped by the granite boulder fields mid-trail. This is a purpose-built rig trail, not a 'maybe I can squeeze through' situation.
When does the trail actually open after winter, and can you get to Lake Inez before July?
July through September is the realistic window. At 10,300 feet max elevation in the Beartooths, snow lingers well into June and can return by early October. Don't gamble on a June run without confirming conditions with the Custer-Gallatin National Forest directly.
Do you need a permit to drive Rock Creek Road or camp at Lake Inez?
No permit is required for the trail or dispersed camping on Custer-Gallatin National Forest land as of current regulations. Standard Leave No Trace rules apply — 200 feet from water sources, pack out everything. Check with the Beartooth Ranger District before your trip in case seasonal restrictions have changed.
What's the hardest section of this trail and what exactly makes it expert-rated?
The granite boulder fields are the crux — large, loose, and unforgiving with steep shelf sections that punish any vehicle without armor and a locked axle. One wrong line can wedge a rig or drop a tire into a gap with no easy recovery. Add in 4,200 feet of elevation gain over 18 miles of remote terrain and you've got a trail that earns its expert rating.
Is there any place to get gas or water near the trailhead, and how far is Red Lodge?
Red Lodge is your last stop for fuel, food, and water — top off everything there before heading out. The trailhead sits roughly 18 miles from town but plan for no services and zero cell coverage for the entire route. Carry enough water for drinking and your radiator; the water crossings are present but not a reliable treatment source without proper filtration.
Trail track
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