When to catch Arizona'snatural highlights

When is the best time to see nature in Arizona?

The peaks we can name in Arizona each belong to a place, not the whole state. Spring migration at Bill Williams River: late April to early May; Waterfowl at Bill Williams River: winter.

Each card below gives the source's own words and where they apply.

Checked Sep 30. Source: U.S. Fish and Wildlife Service, Bill Williams River NWR: Species (Seasons of Wildlife) ↗ (opens in a new tab)

The peaks through the year

Named places, in their sources' words; not statewide dates

Usual peakSpring migration at Bill Williams River
late April to early May
Bill Williams River National Wildlife Refuge: the most species
“Late April to early May is when peak migration occurs and when visitors are likely to see the most species.”
Source: U.S. Fish and Wildlife Service, Bill Williams River NWR: Species (Seasons of Wildlife) ↗ (opens in a new tab)Spring migration at Bill Williams River Refuge →
Most numerousWaterfowl at Bill Williams River
winter
Diving ducks and grebes, seen from the headquarters trails
“Winter is peak season for waterfowl where large rafts of diving ducks and several species of grebes can be seen from the headquarters trails.”
Source: U.S. Fish and Wildlife Service, Bill Williams River NWR: Species (Seasons of Wildlife) ↗ (opens in a new tab)

On one calendar

Approximate months; the cards above give the timing

Spring migration at Bill Williams RiverUsual peak: late April to early May
Waterfowl at Bill Williams RiverMost numerous: winter (the source gives no months)

Solid: a usual peak, the best viewing time or when animals are most numerous. Hatched: a broader season, never a peak.

Pick a part of Arizona

10 places we follow

Colorado River

Bill Williams River RefugeSpring migration
Cibola RefugeWinter wildlife

Northern Arizona

Grand Canyon South RimWildflowers
San Francisco PeaksFall foliage

Central Arizona

Mingus MountainWildflowers
TontoWildflowers

White Mountains

Escudilla MountainFall foliage

Southern Arizona

SaguaroWildflowers
Organ Pipe CactusWildflowers
Cave Creek CanyonFall foliage

Arizona on one map

Every place we follow here; tap one for its events

Map: approximate positions; state lines US Census.

Browse by season and event

Fall foliage · 3 places hereIn Arizona →Everywhere →
Spring migration · 1 place hereIn Arizona →Everywhere →
Wildflowers · 5 places hereIn Arizona →Everywhere →
Winter wildlife · 1 place hereIn Arizona →Everywhere →

Park guides and towns to stay in

Towns: straight-line distances on their own pages

Towns

Arizona in pictures

Illustrative photos, not current conditions

The Bill Williams River at the refuge — The Bill Williams River, which runs about 40 miles before emptying into the Colorado River at Lake Havasu. Ryan Hagerty/USFWS.. Photo: Ryan Hagerty/USFWS · public domain · resized

A flock of gray sandhill cranes standing in a green field below rugged desert mountains — Sandhill cranes in a green field at Cibola National Wildlife Refuge, below the desert mountains (the item page gives no date). Photo: Linda L Miller/USFWS · public domain · resized

A wide green grassy slope curving down to a stand of pale aspen trunks, with distant mesas under clouds — Subalpine grassland on Escudilla Mountain, west of the trail to the fire lookout, August 3, 2013 (context, not fall color). Photo: Patrick Alexander · Wikimedia Commons · CC0 1.0 · resized

How we know

Every timing above, from these pages

Sep 29Park ServiceSeasons of wildlife: spring songbird migration peaks late April to early May; summer nesting songbirds and reptiles; fall and winter waterfowlSource (opens U.S. Fish and Wildlife Service, Bill Williams River NWR: Species (Seasons of Wildlife) in a new tab)