Lemhi Range, Idaho: Elk, Mule Deer, and Bighorn Sheep in Central Idaho's Forgotten Mountains

Every hunter in central Idaho knows the Frank Church. The River of No Return Wilderness pulls horse packers, outfitter camps, and backcountry elk hunters from across the country. What most of them drive past on the way is the Lemhi Range — a long, lean chain of mountains running northeast from Challis toward the Montana border, bookended by the Salmon River to the west and the Lemhi Valley to the east. The Lemhi doesn’t have wilderness designation. It doesn’t have the mythology. It doesn’t have the crowds either.

That’s the deal. You trade the romance of the Frank Church for quiet roads, open country, and elk tags you can actually buy over the counter.

The Geography

The Lemhi Range stretches roughly 80 miles from Salmon south toward Mackay. The crest tops out above 11,000 feet in places, with the main spine holding open subalpine basins separated by deep drainages choked with lodgepole and spruce. It’s not the explosive timber country you’ll find in northern Idaho. The Lemhi is more exposed — long glassing ridges, scattered timber fingers running down the slopes, open south-facing benches that hold deer through early winter.

Salmon, Idaho is your base. It sits at the confluence of the Salmon and Lemhi Rivers at about 3,900 feet. From Salmon you can push east up Williams Creek Road or south on U.S. 93 toward Patterson and the southern units. The town has a grocery store, fuel, a couple of motels, and not much else — which is exactly right for a hunting base camp.

Patterson, on the east side of the range, gives you a second access corridor. It’s smaller than Salmon but sits at the foot of several drainages that push straight into prime country. Some hunters set up camp on the Patterson side simply because it sees even less pressure than the Salmon drainages.

Why the Lemhi Is Underhunted

The Frank Church gets the attention because it’s massive, roadless, and genuinely wild. Outfitters have run horse camps in there for generations. But the wilderness designation that makes it famous also makes it harder to access — no ATVs, no mechanized transport, serious logistics for a DIY hunter without stock.

The Lemhi has no such designation. Forest Service roads cut into most of the major drainages, and you can drive a reasonable truck to within a mile or two of quality country. That sounds like it should attract more hunters. It doesn’t, for a few reasons. The Lemhi sits in the shadow of both the Frank Church and the Lost River Range. It gets less ink in hunting media. Nonresidents planning a western elk hunt tend to book Colorado or Montana before they consider Idaho, and Idaho residents who know the area are in no hurry to publicize it.

The result is a range you can hunt for five days in September without seeing another camp in your drainage. That matters when you’re trying to find undisturbed elk.

Elk Hunting: General Units and OTC Tags

The Lemhi units fall primarily in Idaho’s Unit 28 and the surrounding units along the range. The structure of Idaho elk tags is what makes this region worth a serious look for nonresidents. General zone G tags are sold over the counter — no draw required, no preference points, no waiting. You buy a tag, you hunt.

Idaho’s OTC elk opportunity has tightened in some zones over the past decade, but the Lemhi units have remained available to nonresidents without the brutal draw competition you’ll face in Utah, Arizona, or Wyoming. Check IDFG’s current year regulations carefully before you plan — tag quotas and zone boundaries shift — but as of recent seasons, this has been genuinely accessible elk country.

Archery season opens in late August, which is exactly when bulls in the high basins are still in velvet or just shedding. Thermals are predictable this early in the year. Mornings pull cool air down the drainages, evenings push it back up. Elk follow water and timber edges in the first few weeks of archery season before the rut shifts their behavior in mid-September.

Rifle season in the Lemhi units typically runs through October. The best rifle hunting comes in the first two weeks of October when bulls are still somewhat vocal and the big storms that push elk to lower elevations haven’t arrived yet. Once you get a major October snowfall — the kind that drops a foot on the high country — elk start moving toward the valley floor and hunting dynamics change completely.

Mule Deer: Glassing Is the Whole Game

The Lemhi grows quality mule deer bucks. Not every drainage holds them in numbers, and you’re not going to stumble onto a mature 4x4 by walking through the timber. The deer that survive in this range do it by staying high, staying open, and bedding in places where they can see 400 yards in three directions.

Glassing is the primary tactic. Full stop. You set up on a point at first light, get your glass on a basin, and you look. Not for 20 minutes — for two or three hours if that’s what it takes. The good bucks bed early and move late, and the window where they’re on their feet and visible in good light is short. If you’re moving through country looking for deer, you’re bumping deer you haven’t seen yet.

The high basins above 9,000 feet hold the best bucks through September. As October comes on and the thermals become less stable, deer drop into the broken timber benches in the 7,500–8,500-foot range. That lower terrain is harder to glass and requires a different approach — shorter distances, slower moves, more reliance on thermals and wind.

Mule deer season in the Lemhi corridor typically runs concurrent with or shortly after elk season. Archery hunters targeting deer can combine a mule deer and elk tag and cover both species on the same trip, which makes the Lemhi particularly attractive for western hunters trying to get the most out of a single Idaho license purchase.

Bighorn Sheep: What the Draw Actually Looks Like

There are bighorn sheep in the Lemhi Range. They occupy rocky terrain on the upper slopes, and sightings are common enough that glassing for deer or elk will occasionally put you on a group of rams. This matters because knowing the country is there helps if you’re serious about building toward a sheep tag.

The bighorn tags in the Lemhi sheep management zones are controlled hunts — draw only, and the odds reflect that. Idaho sheep tags are some of the hardest draws in the West. You’re looking at multi-year point accumulation in most zones, and even with maximum points the draw isn’t guaranteed in the most competitive units. Nonresidents compete in a separate pool for a limited percentage of tags.

That said, the sheep are there. Hunters who’ve taken rams in the Lemhi zones describe steep, rocky terrain that demands significant physical conditioning and glassing skill. The country doesn’t reward casual effort. It does reward hunters who put in the scouting time to understand where rams travel between summer and fall range.

Access and Logistics

Most Lemhi access routes run off U.S. 93, which is the main highway connecting Salmon to the south. From Salmon, the Williams Creek drainage is an early stop — it’s well-traveled by local hunters but produces elk every season. North of Salmon toward North Fork, several Forest Service roads cut east into the range along creek drainages.

The Herd Lake Road on the east side is worth your time. It climbs steeply out of the Lemhi Valley and offers some of the highest-elevation vehicle access on the range. Getting up high early in the morning — before shooting light — lets you glass into basins that road-based hunters never reach on foot. Even on this side of the range, the crowds you’d expect in comparably productive Colorado or Utah country simply aren’t there.

Cell service is minimal throughout. Download offline maps using OnX or Gaia before you arrive. The IDFG hunting atlas is downloadable and covers unit boundaries with precision. A PLB or satellite communicator isn’t optional — it’s required equipment for this country.

Hunting Style and Terrain

Open ridgelines above 9,000 feet define the Lemhi hunting experience. Distances are long. The terrain rewards hunters who can hike with a daypack, spend hours behind glass, and make quick decisions when an opportunity opens. It’s fundamentally a spot-and-stalk game — for elk, for deer, and eventually for sheep if you draw.

Early archery hunters in late August will find thermals predictable and temperatures manageable. By mid-September, the elk rut is building and temperatures can swing 40 degrees between morning and afternoon. Have layering options, plan for afternoon thunderstorms, and don’t count on the weather you had on day one to hold for the week.

Rifle hunters in October get more stable thermals but colder nights. Snow can arrive as early as the first week of October at elevation. A light snowfall is a gift — fresh tracks, easier glassing against a white background — but a heavy early-season storm can strand a camp fast.

The Lemhi won’t make a famous hunting story. But it’ll make a good one.

Sources & verification

Seasons, license fees, application windows, and draw structure for Idaho change every year. Always verify the current details against the official Idaho agency before applying or hunting.

• Idaho Department of Fish & Game — idfg.idaho.gov