Medicine Bow National Forest

Medicine Bow National Forest is rewarding in every season, but the character of the experience changes dramatically. Summer (mid-June through August) offers full access to the Snowy Range byway and alpine trails, wildflowers at peak in the alpine zone (mid-July is spectacular), and active fishing across the forest’s lakes and streams — though the byway is busy on summer weekends. Fall is arguably the finest season — mid-September through mid-October brings extraordinary golden aspen color in the valley drainages below the Snowy Range, crisp clear air that extends the summit views to the Great Plains horizon, dramatic elk bugling in the subalpine meadows, and a fraction of the summer crowds. Winter closes the Snowy Range byway to vehicles but opens it to cross-country skiers and snowshoers, and Snowy Range Ski Area operates from late November through early April. Spring brings snowmelt, high stream flows, and emerging wildlife but can be muddy at lower elevations through May.

The Medicine Bow Mountains and the surrounding forest have been central to the human history of southern Wyoming since the earliest inhabitants. The Arapaho, Shoshone, and other Plains and mountain peoples used the range for hunting, for gathering bow-making wood (the name “Medicine Bow” derives from the Arapaho term for the mountains as a place of gathering straight-grained wood for bows — a trade item of considerable value on the plains), and for seasonal movement between the plains and the mountains. The Union Pacific Transcontinental Railroad (completed 1869) passed through the Laramie Basin at the forest’s eastern edge, spurring the development of Laramie and bringing the forest’s timber into industrial use for railroad ties and mine timbers. President Theodore Roosevelt established the Medicine Bow Forest Reserve in 1902 — one of the earliest national forest designations in the West — and the forest has been managed by the U.S. Forest Service since 1905. The Civilian Conservation Corps (CCC) built roads, campgrounds, and facilities throughout the forest in the 1930s, many of which remain in use today.

Medicine Bow National Forest encompasses three distinct geological provinces. The Medicine Bow Range and the Snowy Range are capped by the Snowy Range Quartzite — a 2.5-to-2.7-billion-year-old Precambrian metamorphic quartzite, originally a beach sand deposit of the ancient Precambrian sea, that has been uplifted along the Medicine Bow Mountains fault block and resists erosion to form the brilliant white crests of the Snowy Range. The underlying Precambrian basement (gneiss, schist, and granite) provides the foundation of the range. The Laramie Mountains (the forest’s eastern unit) are composed of Sherman Granite — 1.4-billion-year-old Precambrian granite exposed in the Laramie Range and spectacularly displayed at Vedauwoo. The Sierra Madre (the forest’s southwestern unit in the Wyoming Range) is a more complex geological mosaic of Precambrian basement, Paleozoic sedimentary rocks, and volcanic rocks associated with the Tertiary igneous activity of the region. The glacial imprint is most vivid in the Snowy Range, where Pleistocene glaciers carved the lake basins and polished the quartzite ridges.

Medicine Bow National Forest supports one of Wyoming’s richest and most accessible wildlife communities. Moose are abundant in the willow meadows and beaver-pond complexes of the mountain drainages — the Medicine Bow River and its tributaries are among the finest moose-viewing areas in southern Wyoming, and moose are frequently visible from the Snowy Range byway. Elk (the Medicine Bow herd is one of Wyoming’s largest) summer in the subalpine meadows and descend to winter range in the Laramie Basin; the fall rut brings bugling to the forest’s high meadows in September. Mule deer, pronghorn, and black bears are common. American pika inhabit the quartzite boulder fields of the Snowy Range above treeline, and white-tailed ptarmigan breed in the alpine tundra. Bald eagles winter along the forest’s stream corridors. Greater sage grouse display in their leks on the sagebrush terraces adjacent to the forest. The native cutthroat trout populations in the Snowy Range lakes and streams are among the most significant genetically intact wild-trout resources in southeastern Wyoming.

Medicine Bow National Forest spans five major ecological zones from the sagebrush grasslands of the Laramie Basin to the alpine tundra of the Snowy Range crest. The lodgepole pine forest (the most extensive vegetation type in the forest) has experienced significant disruption from mountain pine beetle outbreaks in the 2000s-2010s — vast areas of lodgepole were killed, creating both a visual transformation and significant wildfire risk; the forest’s management approach emphasizes fuels reduction and natural regeneration. The subalpine Engelmann spruce and subalpine fir forests above the lodgepole zone provide critical habitat for elk, moose, and the Snowy Range’s wildlife. The alpine tundra above 10,500 feet in the Snowy Range is the most ecologically fragile zone — cushion plants and sedge tussocks that grow a millimeter per year are destroyed by a single footfall off the designated trail. The Snowy Range lakes are clean, oligotrophic high-alpine water bodies that support wild trout and provide pristine water to the Laramie, Medicine Bow, and North Platte rivers downstream.

Medicine Bow National Forest is woven into the cultural fabric of southeastern Wyoming in ways that few public lands match. The forest is the backyard wilderness of Laramie and the University of Wyoming; the Snowy Range Scenic Byway is one of the defining summer drives of Wyoming; Vedauwoo is a beloved climbing destination with deep roots in Wyoming’s outdoor community; and the forest’s streams, lakes, and mountains have been central to the hunting, fishing, and outdoor recreation culture of the region for generations. Owen Wister’s celebrated novel “The Virginian” (1902) — the foundational text of the American Western genre — is set in the Medicine Bow country, and the novel’s hero is the archetype of the Wyoming cowboy. The town of Medicine Bow (east of the national forest) maintains a small Virginian museum. The forest’s combination of alpine grandeur, accessible scenery, and cultural history makes it one of Wyoming’s most cherished public lands.

Medicine Bow National Forest is in southeastern Wyoming, with primary access via I-80 (Laramie and Cheyenne) and US-30 (Saratoga and Encampment). The Snowy Range unit is accessed from Laramie via WY-130 west (the Snowy Range Scenic Byway, open Memorial Day through late October). The Laramie Mountains unit (including Vedauwoo) is accessed via I-80 exit 329 west of Cheyenne. The Sierra Madre unit is accessed from Encampment and Saratoga via WY-70 (the Battle Highway, crossing the Sierra Madre). Forest Service headquarters are in Laramie; ranger district offices are in Saratoga (Brush Creek/Hayden RD), Laramie (Laramie RD), and Douglas (Douglas RD). Many developed campgrounds are available on the Snowy Range byway and elsewhere; dispersed camping is permitted throughout the forest per USFS rules. A trailhead fee or America the Beautiful Pass may be required at developed sites. Check the Medicine Bow-Routt NF website for current road conditions, campground availability, and any fire restrictions before visiting.

The U.S. Forest Service manages Medicine Bow National Forest under a multiple-use mandate that includes recreation, timber, grazing, watershed protection, and wildlife habitat. The Huston Park Wilderness (30,588 acres in the Sierra Madre) and the Savage Run Wilderness (14,940 acres in the Laramie Mountains) provide the highest level of protection within the forest. Leave No Trace principles are required throughout the forest — especially critical above treeline in the Snowy Range, where alpine tundra cannot recover from trampling on any human timescale. Camp 200 feet from all water sources and trails. Follow current fire restrictions (posted at ranger district offices and trailheads). Report any unauthorized off-road vehicle use, which damages fragile alpine and subalpine soils. Support the forest’s native cutthroat trout restoration programs by practicing catch-and-release in designated wild-trout waters.

Afternoon thunderstorms are the most significant hazard in Medicine Bow National Forest in summer — the Snowy Range and the Laramie Mountains are the highest terrain for miles and attract intense lightning-producing storms every afternoon from July through August. Start all alpine hikes before 6 AM, be off exposed ridges by 11 AM, and be below treeline before any storm approaches. The Snowy Range byway crosses nearly 11,000 feet — altitude sickness can affect visitors arriving from sea level; acclimatize in Laramie (7,165 feet) before going higher. The forest’s roads include unpaved Forest Service roads that may require high-clearance vehicles and that can become impassable in wet weather — check current road conditions before any backcountry drive. Black bears are present in the forest; store all food in bear-resistant containers when camping. Carry 2+ liters of water per person on all hikes; carry layered clothing and rain gear regardless of morning weather.

A trailhead fee or America the Beautiful Pass is required at developed trailheads and campgrounds (check USFS for current fee schedule). Wilderness permits are not currently required for the Huston Park or Savage Run Wilderness areas. Campfire restrictions apply — check current USFS fire restrictions before lighting any fire. Wyoming fishing license required for all fishing. Dispersed camping is permitted throughout the forest but prohibited within 200 feet of any water source, road, or developed area. No motorized vehicles on designated wilderness trails or non-motorized trail corridors. Pets must be on leash in campgrounds and day-use areas; voice control is acceptable on backcountry trails. Pack out all trash; leave no trace.

Laramie, Wyoming (the forest’s eastern gateway — University of Wyoming, Wyoming Territorial Prison State Historic Site, and the UW Geological Museum), Saratoga (the western gateway — the free Hobo Hot Springs mineral soak on the North Platte River, world-class fly-fishing, and the Platte Valley resort character), Vedauwoo (within the forest’s Laramie Mountains unit — the celebrated granite-tor climbing area), Snowy Range Ski Area (within the forest on WY-130), Encampment and the Sierra Madre Wilderness (the forest’s southwestern unit), and the Laramie Basin (one of Wyoming’s finest pronghorn and sage-grouse habitats) define the region. Medicine Bow National Forest is the essential outdoor framework of southeastern Wyoming, a destination in its own right and a gateway to the full range of southern Wyoming’s mountain character.

Make the Snowy Range Scenic Byway (WY-130) your organizing spine for a Medicine Bow National Forest visit — drive it in full from Laramie to Saratoga, stopping at every lake overlook (Mirror Lake, Lake Marie, Sugarloaf area) and taking the Medicine Bow Peak summit hike from the Lake Marie trailhead for the signature alpine experience. In fall (mid-September through early October), the aspen color along the byway is extraordinary — plan a full day for the drive and the summit hike. If you climb, add a half-day at Vedauwoo for the crack-climbing experience; if you fish, the Saratoga area on the North Platte and the Snowy Range lakes offer the finest freshwater fishing in southern Wyoming. End the day with a soak at the free Hobo Hot Springs in Saratoga. Start all alpine activity before 7 AM to clear the exposed ridges before afternoon thunderstorms.