Colorado mammals

Mountain Lion in Colorado

Puma concolor

Native to Colorado S4 Apparently Secure in Colorado

Not listed as nonindigenous in Colorado by USGS NAS; native to its Colorado range.

IUCN Red List status

  1. LC
  2. NT
  3. VU
  4. EN
  5. CR
  6. EW
  7. EX

LC – Least Concern

Widespread and abundant; not at risk.

Mountain Lion in Colorado, by the numbers

Common in Colorado 50th most recorded of 154 mammals logged in Colorado

530 occurrence records
350 with iNaturalist photos
Jul 1, 2026 Last seen in Colorado

Records from 2000–2026.

530 total records count every Colorado occurrence from GBIF and iNaturalist; the map plots a georeferenced sample of 300; the monthly chart covers the 527 records with a full observation date.

Field encounter

Where and when you're most likely to encounter a Mountain Lion

Most active: Colorado, in January.

Where
ColoradoCO
When
January

Observe from a distance and give it room. Never approach, corner, or feed one.

When to be most aware of the Mountain Lion in Colorado

Most sightings fall in January.

527 Colorado occurrence records (iNaturalist and GBIF) by month of year, 2000–2026. Shows when the species is recorded, not a guarantee of presence.

Monthly Colorado records (table)
MonthRecords
January89
February42
March52
April39
May36
June40
July36
August25
September36
October44
November48
December40

Monthly mountain lion occurrence records (iNaturalist and GBIF) in Colorado, 2000–2026.

Seasonality

Year-round in Colorado, with recorded sightings peaking in January.

Occurrence map

Where Mountain Lion has been recorded in Colorado

300 records mapped · zoom and drag to explore

300 Colorado records mapped

Where mountain lion encounters are recorded

Park, forest, or monumentiNaturalist records
Roosevelt National Forest 10
Pike National Forest 8
Canyons Of The Ancients National Monument 5
Mesa Verde National Park 5
White River National Forest 4
Roxborough 4
San Isabel National Forest 4
Colorado National Monument 3

Protected places with the most mountain lion records, from the USGS Protected Areas Database plus named mountain ranges, where encounters are most often recorded, not a full breakdown, so they don't sum to the total. Keep your distance and never approach one.

Where it's recorded in Colorado

CountyRecords
Boulder County 71
Jefferson County 50
Larimer County 38
Montrose County 33
Moffat County 26
Montezuma County 24
Ouray County 21
Routt County 20
Mesa County 19
El Paso County 16
Rio Blanco County 16
Garfield County 14
34 other counties 182

The complete county distribution, spread across 46 Colorado counties. Every occurrence record falls in one county, so these sum to the total. Counties from GBIF and US Census boundaries.

The mountain lion is a common but rarely seen presence across Colorado. Open occurrence databases hold 530 records for it here, 350 of them iNaturalist observations, a substantial tally for an animal that spends its life avoiding people. Colorado supports one of the healthiest cougar populations in North America, yet most residents will go a lifetime without a clear look at one.

Where the cats turn up

Mountain lions range across nearly the whole state, following their primary prey, mule deer, through foothills, canyons, mesas, and montane forest. Records are densest along the Front Range where the mountains meet dense human population, in Boulder and Jefferson counties, and across the broken canyon country of the western slope in Montrose, Moffat, and Mesa. That clustering says as much about where people and trail cameras are as about where the cats are; lions live at low density almost anywhere there is deer and cover.

A predator with no real season

Unlike the state’s hibernators and migrants, the mountain lion is on the landscape all year and can breed in any month, so its records show no strong seasonal peak. The one uptick comes in the depths of winter, when fresh snow records the tracks of an animal that would otherwise leave no trace, and hikers and hunters report a cat they never actually saw.

Status in Colorado

The mountain lion is native to Colorado and apparently secure, ranked S4 by NatureServe and least concern by the IUCN. Much of what is known about its distribution comes not from sightings but from sign: tracks in snow or mud, a cached deer carcass, and the growing catalog of trail-camera images that now anchor many of the state’s records.

Mountain Lion in other states

View all states →

More mammals in Colorado in the atlas

Data & sources

The data and visualizations on this page draw on these open sources:

  • GBIFCC-BY 4.0occurrence records behind the range map, elevation, and record counts
  • iNaturalistCC0 / CC-BY / CC-BY-SAobservations, photos, and audio recordings
  • NatureServe ExplorerCC-BYthe state conservation rank
  • IUCN Red Listattributed factthe global conservation status
  • USGS NASpublic domainnative / introduced status
  • Natural Earthpublic domainthe relief basemap
  • USFSpublic domainnational-forest boundaries
  • USGS Protected Areas Databasepublic domainthe named parks, forests, and refuges behind "notable places to look"