Colorado Game Management Unit 521
Game Management Units (elk/deer/pronghorn/moose/bear/lion) · Colorado Parks and Wildlife
Unit boundary
Simplified for the web from Colorado Parks and Wildlife's public layer (source and terms). Units change with each season's regulations, and the legal boundary description in the regulations is what counts.
Legal shooting light this week
Colorado's general big-game hours: 30 minutes before sunrise to 30 minutes after sunset, worked out for the middle of the unit (39.038, -107.418) on local time. Times can be a minute or two off at the unit's edges.
| Day | Shooting light starts (MST) | Ends | Sunrise | Sunset |
|---|---|---|---|---|
| 6:06 AM | 5:38 PM | 6:35 AM | 5:08 PM | |
| 6:07 AM | 5:37 PM | 6:36 AM | 5:07 PM | |
| 6:09 AM | 5:36 PM | 6:38 AM | 5:06 PM | |
| 6:10 AM | 5:34 PM | 6:39 AM | 5:04 PM | |
| 6:11 AM | 5:33 PM | 6:40 AM | 5:03 PM | |
| 6:12 AM | 5:32 PM | 6:41 AM | 5:02 PM | |
| 6:13 AM | 5:31 PM | 6:42 AM | 5:01 PM |
Turkey, waterfowl, some public lands and opening days have their own hours. Always check the Colorado regulations for your species (where this rule comes from).
Maps that cover this unit
See all maps in this area ›
Bull Mountain, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain

Aspen-Sopris Ranger District Motor Vehicle Use Map (MVUM) — White River National Forest (2026)
Forest Service Maps (public domain) · White River National Forest
Public domain

Paonia District Motor Vehicle Use Map (MVUM) — Grand Mesa, Uncompahgre and Gunnison National Forests (2023)
Forest Service Maps (public domain) · Grand Mesa, Uncompahgre and Gunnison National Forests
Public domain

Chair Mountain, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain

Somerset, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain

Paonia Reservoir, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain

Grand Mesa Motor Vehicle Use Map (MVUM) — Grand Mesa, Uncompahgre and Gunnison National Forests (2016)
Forest Service Maps (public domain) · Grand Mesa, Uncompahgre and Gunnison National Forests
Public domain

Electric Mountain, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain

Bowie, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain

Elk Knob, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain

Placita, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain

Spruce Mountain, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain

Marble, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain

Marcellina Mountain, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain

Rifle Ranger District Motor Vehicle Use Map (MVUM) — White River National Forest (2026)
Forest Service Maps (public domain) · White River National Forest
Public domain

Redstone, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain

Chalk Mountain, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain

Minnesota Pass, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain

Gray Reservoir, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain

West Beckwith Mountain, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain

Paonia, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain

Porter Mountain, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain

Gunnison District Motor Vehicle Use Map (MVUM) (North) — Grand Mesa, Uncompahgre and Gunnison National Forests (2025)
Forest Service Maps (public domain) · Grand Mesa, Uncompahgre and Gunnison National Forests
Public domain

Anthracite Range, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain