Overview
Colorado offers an unparalleled playground for hunters, anglers, and wildlife enthusiasts with its vast landscapes ranging from the towering Rocky Mountains to expansive high plains. The state is a hotspot for big game hunting like elk and mule deer in the fall, while rivers such as the Arkansas and Colorado provide world-class trout fishing opportunities. Birdwatchers can spot species like the American black duck or American coot in wetland areas, and conservationists will appreciate the efforts to protect native trout like the Apache trout in pristine streams. With its mix of rugged terrain and abundant wildlife, Colorado combines adventure with natural beauty, making it a must-visit for those seeking ethical and sustainable outdoor experiences.
Terrain & Habitat
Colorado's terrain is dominated by the Rocky Mountains, featuring alpine meadows, dense forests, and steep canyons that provide ideal habitats for species like the American black bear and various trout in cold-water streams. The eastern plains offer open grasslands for bird species and smaller game, while western rivers and reservoirs support diverse fish populations. These varied habitats from high-elevation wilderness to arid plateaus ensure a rich ecosystem for exploration and conservation efforts.
Best Times
- Hunting
- Typically runs September through November for big game like elk in the Rockies
- Fishing
- Typically runs May through August for trout in rivers and lakes
- Wildlife Viewing
- Year-round, but peak in spring and fall for bird migrations and rutting seasons
Climate by Month
| Month | High °F | Low °F | Rain (in) | Conditions |
|---|---|---|---|---|
| January | 45 | 18 | 0.5 | Cold and snowy with possible blizzards |
| February | 48 | 20 | 0.6 | Still cold with increasing sunshine |
| March | 54 | 26 | 1.2 | Transitioning with potential snowmelt |
| April | 62 | 34 | 1.8 | Mild with rain and wind |
| May | 71 | 42 | 2.5 | Warm and wet with thunderstorms |
| June | 82 | 51 | 1.9 | Hot and dry with afternoon storms |
| July | 88 | 56 | 1.8 | Hot and sunny with monsoon risks |
| August | 86 | 54 | 1.6 | Warm with occasional heavy rains |
| September | 78 | 46 | 1.2 | Mild and crisp with early frosts |
| October | 66 | 36 | 1 | Cool and clear with changing leaves |
| November | 54 | 27 | 0.8 | Cold and windy with early snow |
| December | 46 | 20 | 0.6 | Cold and snowy holidays |
Getting There
Fly into DEN (Denver International Airport), about 20-30 miles from central Colorado spots; for western areas, connect via regional flights to ASE (Aspen) or MTJ (Montrose), each roughly 100-200 miles from Denver.
Gear Recommendations
Pack layered clothing for variable mountain weather, including insulated boots and waterproof jackets; essential fishing gear includes waders and fly rods for high-altitude streams, plus binoculars for spotting wildlife in open plains.
Regulations Summary
Hunting and fishing require licenses, with resident costs approximately $40 and non-resident around $100 annually; bag limits vary by species and region, and always follow seasonal restrictions. Verify current regulations at cpw.state.co.us.
Insider Tips
- Head to the backcountry early to beat the crowds at popular elk spots like the San Juan Mountains.
- Use local bait shops for the latest on stream conditions and fly patterns that work best in Colorado rivers.
- Pack extra warm layers for sudden weather changes, even in summer—it's the mountains, after all.
- Chat with ranchers for permission to hunt on private land; they often know the best spots for mule deer.
- Avoid peak tourist times in national parks for wildlife viewing; early mornings or off-trail areas yield better sightings.
Notable Species (60)
- Flannelmouth suckerCatostomus latipinnis
- White sturgeonAcipenser transmontanus
- Sonora suckerCatostomus insignis
- Guadalupe smallmouth bassMicropterus trecuil x M. dolomieu
- MachacaBrycon guatemalensis
- American shadAlosa sapidissima
- Silver carpHypophthalmichthys molitrix
- Grass carpCtenopharyngodon idella
- Texas shinerNotropis amabilis
- Tiger muskellungeEsox masquinongy x Esox Lucius
- Sockeye salmonOncorhynchus nerka
- Apache troutOncorhynchus apache
- Desert suckerCatostomus clarkii
- Longnose suckerCatostomus catostomus
- Spotted suckerMinytrema melanops
- White suckerCatostomus commersoni
- Utah chubGila Atraria
- Creole perchPercichthys trucha
- Cutthroat troutOncorhynchus clarkii
- Blue winged teal duckAnas discors
- Lesser snow gooseAnser caerulescens caerulescens
- Guadalupe bassMicropterus treculi
- Tiger troutSalmo trutta x Salvelinus fontinalis
- Blue grouseDendragapus obscurus
- Northern scaled quailCallipepla squamata pallida
- Rio Grande turkeyMeleagris gallopavo intermedia
- Common teal duckAnas crecca
- Canvasback duckAythya valisineria
- Threadfin shadDorosoma Petenense
- Texas cichlidHerichyhys cyanoguttatus
- Upper Sonoran scaled quailCallipepla squamata hargravei
- Gunnison sage grouseCentrocercus minimus
- Gambel's quailCallipepla gambelii
- Common merganserMergus merganser
- White-tailed ptarmiganLagopus leucura
- Redhead duckAythya americana
- Gadwall duckAnas strepera
- White-cheeked pintail duckAnas bahamenis
- Northern band-tailed pigeonPatagioenas fasciata
- Chain pickerelEsox niger
- Common goldeneyeBucephala clangula americana
- Ruddy duckOxyura jamaicensis
- BuffleheadBucephala ableola
- Red-breasted merganserMergus serrator
- Greater white-fronted gooseAnser albifrons
- Smallmouth bassMicropterus dolomieu
- WarmouthLepomis gulosus
- Rocky Mountain bighorn sheepOvis canadensis canadensis
- Ring-Necked duckAythya collaris
- Barrow's goldeneye duckBucephala islandica
- Lesser Scaup duckAythya affinis
- Greater scaup duckAythya marila
- Hooded merganserMergus cucullatus
- Cinnamon teal duckAnas cyanoptera
- Northern shoveler duckAnas clypeata
- American wigeon duckAnas americana
- Northern pintail duckAnas acuta
- Wood duckAnas sponsa
- Greater sage grouseCentrocercus urophasianus
- Flathead catfishPylodictis olivaris