GMU 28 GMU 28 — Grand Co.

Big OTC elk numbers on Arapaho National Forest above the ski towns

North-Central Colorado — Middle Park / Fraser Valley (Grand County) · Last reviewed 2026-07-12

Bull elk standing at the edge of dark timber

Area

664

sq mi

Public land

65%

approx.

Elevation

8,000–13,294

feet

Motorized

moderate

access

Overview

GMU 28 fills the Fraser Valley and the timbered mountains west of the Continental Divide in Grand County, wrapping the Winter Park–Fraser–Tabernash corridor and climbing to the crest at Berthoud Pass and James Peak. It is high-volume, general-season elk country: over-the-counter bull tags in the 2nd and 3rd rifle seasons pull thousands of hunters onto the Sulphur Ranger District, and success runs low because of the pressure. Mule deer and a small Middle Park pronghorn allocation are fully limited-draw, and the high basins hold a growing Middle Park moose herd.

Terrain

Broad glacial valley floor around Fraser climbing steeply into the Vasquez, Williams Fork, and Byers Peak high country and up to the Continental Divide crest at James Peak and Berthoud Pass. Deep timbered creek drainages (St. Louis, Vasquez, Ranch) separate rolling forest benches from alpine tundra above treeline.

Cover: Lodgepole pine (much of it beetle-killed and now regenerating), spruce-fir on north slopes and at elevation, aspen pockets and willow-lined creek bottoms in the valley, grading to krummholz and alpine tundra on the peaks.

Landmarks: Byers Peak · St. Louis Peak · Vasquez Peak Wilderness · Byers Peak Wilderness · James Peak · Berthoud Pass · Fraser River · St. Louis Creek · Vasquez Creek

Access

Strong public access on the Arapaho National Forest that blankets the mountains, but the valley floor and the Fraser/Tabernash/Granby benches are private ranch and residential land — the developed corridor is a real barrier to reaching the timber from the east. Colorado State Trust lands are NOT open to hunting unless enrolled in CPW's Public Access Program, so do not count them as huntable. Forest roads off US 40 and the St. Louis Creek and Vasquez Creek roads are the main arteries; the Byers Peak and Vasquez Peak Wilderness areas are non-motorized.

Managers: USFS Arapaho National Forest (Sulphur Ranger District), private ranch / valley land, Winter Park Resort (permitted ski area)

Access points: St. Louis Creek Road (FSR 160) out of Fraser · Vasquez Creek Road · US 40 / Berthoud Pass trailheads · Fraser Experimental Forest roads

Species notes

Rocky Mountain Elk

common opportunity

The marquee tag and a true over-the-counter volume unit — 2nd and 3rd rifle bull licenses are unlimited, hunter numbers are high, and success sits in the single digits (recently around 8%). Herds are here but heavily pressured; this is opportunity hunting, not a trophy unit.

  • Break far from the road and trailhead corridors — the beetle-kill regen and dark spruce-fir pockets that most hunters walk past hold the elk that survive opening weekend.
  • Hunt the timbered transition benches between the valley private and the wilderness, especially north-facing dark timber where elk hole up under pressure.
  • An OTC archery hunt in the September rut is far less crowded and more productive than the rifle grind — locate bugling bulls in the high basins.

Mule Deer

common quality

A limited-draw mule deer unit with respectable success (recently around 22%). Bucks use the aspen and mountain-shrub edges and the forest-meadow transitions rather than the high alpine, and tags require preference points.

  • Glass aspen stringers and shrub-fringed parks at first and last light where bucks feed out of the dark timber.
  • Focus the transition zone between the valley floor and the conifer — mule deer here favor the mid-elevation edge over the peaks.
  • Later hunts and cold snaps pull bucks lower toward the private benches; hunt the public timber just above them.

Moose

limited quality

Middle Park's Shiras moose herd has expanded into GMU 28's willow bottoms and high creek drainages. Tags are extremely scarce and among the most sought-after draws in Colorado, but the animals are here and mature bulls are quality.

  • Work willow-choked creek bottoms and beaver-pond complexes in the St. Louis and Vasquez drainages at dawn and dusk.
  • Glass wet meadows and riparian willow at the forest edge — moose stay tight to water and browse.
  • Treat this as a once-in-a-lifetime point-heavy draw, not a hunt to plan around annually.

Pronghorn

limited opportunity

A very thin Middle Park pronghorn allocation — a handful of limited tags on the open sage parks, with low harvest (roughly a dozen animals recently). Incidental here, not a reason to draw the unit.

  • Focus the open sage and grassland parks on the lower, more open edges of the unit.
  • Glass long from vantage points and use terrain folds to close distance in wide-open Middle Park country.
  • Best paired with scouting for elk rather than a standalone trip.

Black Bear

common opportunity

Black bears work the aspen, oak-shrub, and berry pockets throughout the forested mid-country. A limited-draw fall opportunity, typically taken incidentally by elk and deer hunters.

  • Glass oak brush, chokecherry, and serviceberry patches in late summer and early fall when bears are feeding hard.
  • Watch aspen edges and creek bottoms in the mornings and evenings.
  • Cover ground with optics — spot-and-stalk on feeding bears in the shrub zones.

Pro tips

  • Elk are OTC in the 2nd and 3rd rifle seasons — expect crowds and plan to hike well past the trailheads to escape pressure.
  • The developed Fraser/Winter Park valley is a private-land wall; know your Arapaho NF access points before season.
  • Beetle-kill lodgepole regen creates thick security cover — the nastier the blowdown, the more likely elk are holding there.
  • The Byers Peak and Vasquez Peak Wilderness areas are non-motorized — plan to pack in and out on foot or horseback.
  • Consider the September OTC archery hunt over the rifle grind for a quieter, higher-odds elk experience.

Watch out for

  • !Very heavy hunting and recreation pressure near the ski towns and trailheads.
  • !Private ranch and residential land across the valley floor blocks direct access to the timber.
  • !State Trust lands are closed to hunting unless enrolled in CPW's Public Access Program.
  • !Early high-country snow can close forest roads and strand vehicles fast.
  • !Wilderness boundaries (Byers Peak, Vasquez Peak) restrict motorized and mechanized access.

Logistics

This is one of Colorado's most accessible mountain units — US 40 runs right through it, and Fraser, Winter Park, and Granby offer full services, fuel, groceries, motels, and gear. That accessibility is also why it draws crowds. Forest roads are generally maintained but turn greasy and snow-blocked with early storms at elevation; a high-clearance vehicle helps on the spur roads. Cell coverage is solid in the valley corridor and drops off in the drainages.

Nearest towns: Fraser, CO, Winter Park, CO, Tabernash, CO, Granby, CO

Nearby units

Seasons & regulations

This page carries no season dates or regulations. Get current rules from the official Colorado sources:

Research sources: Colorado Parks & Wildlife — Big Game Hunting · USFS — Arapaho National Forest, Sulphur Ranger District · HuntScore — GMU 28 Grand County

FAQ

How big is GMU 28 in Colorado?
GMU 28 (GMU 28 — Grand Co.) covers about 664 square miles, ranging from roughly 8,000 to 13,294 feet in elevation. Area is computed from the unit boundary polygon.
How much public land is in GMU 28?
Approximately 65% of the unit is public land. Primary managers: USFS Arapaho National Forest (Sulphur Ranger District), private ranch / valley land, Winter Park Resort (permitted ski area). Always verify ownership boundaries on the ground.
What species does the catalog list for GMU 28?
Rocky Mountain Elk, Mule Deer, Moose, Pronghorn, Black Bear. For seasons, tags, and regulations, use the official Colorado agency resources linked on this page — this page carries no regulatory information.

Put GMU 28 on your map.

Boundary lines, public/private ownership, topo, and offline maps for this unit — in Baseline Maps, free for 14 days.