Colorado Game Management Unit 421
Game Management Units (elk/deer/pronghorn/moose/bear/lion) · Colorado Parks and Wildlife
Unit boundary
Simplified for the web from the public layer of Colorado Parks and Wildlife (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 (39.204, -107.900) on local time. Times can be a minute or two off at the unit's edges.
| Day | Shooting light starts (MST) | Ends | Sunrise | Sunset |
|---|---|---|---|---|
| 6:10 AM | 5:38 PM | 6:39 AM | 5:08 PM | |
| 6:11 AM | 5:37 PM | 6:40 AM | 5:07 PM | |
| 6:12 AM | 5:36 PM | 6:41 AM | 5:06 PM | |
| 6:13 AM | 5:35 PM | 6:42 AM | 5:05 PM | |
| 6:14 AM | 5:34 PM | 6:43 AM | 5:04 PM | |
| 6:15 AM | 5:33 PM | 6:44 AM | 5:03 PM | |
| 6:16 AM | 5:32 PM | 6:45 AM | 5:02 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 ›
Collbran, 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
Rifle Ranger District Motor Vehicle Use Map (MVUM) — White River National Forest (2026)
Forest Service Maps (public domain) · White River National Forest
Public domain
Vega Reservoir, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain
Hawxhurst Creek, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain
South Mamm Peak, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain
Molina, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain
Grand Mesa, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain
Leon Peak, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain
Housetop Mountain, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain
Mesa Lakes, 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
Hightower Mountain, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
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
Chalk Mountain, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain
Rulison, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain
North Mamm Peak, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain
Mesa, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain
De Beque, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain
Parachute, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain
Lands End, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain
Hunter Mesa, 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
Flatiron Mountain, CO — USGS 7.5-minute topo (2022)
USGS Topo Maps (public domain) · Colorado
Public domain