Bigelow (butterfly) Trailhead, Pima
Trailheads in Arizona
Near Mount Lemmon, AZ in Arizona
What to Pack for Bigelow (butterfly) Trailhead, Pima
A well-packed bag handles most of what this area can throw at you.
What you bring to Bigelow (butterfly) matters. This list reflects the actual conditions you'll encounter.
Essential
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Water (minimum 2L) — Water sources marked on maps may be seasonal or dry; carrying enough to complete your route prevents a dangerous shortfall.
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Navigation (map/GPS/compass) — Getting lost is the leading cause of backcountry search-and-rescue calls; reliable navigation prevents the situation entirely.
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Sun protection (sunglasses, sunscreen) — Prolonged sun exposure causes headaches, fatigue, and heat exhaustion that can cut a trip short or create a medical emergency.
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First aid kit — Remote locations mean longer response times for help; a first aid kit bridges the gap between injury and professional care.
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Extra food — High-energy snacks weigh little but provide crucial fuel if you need to bushwhack out or wait for conditions to improve.
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Headlamp with extra batteries — Hands-free light is essential for navigating uneven terrain, setting up camp, or signaling for help at night.
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Fire starter — Waterproof matches or a ferro rod weigh almost nothing and can be the difference between a cold night and a survivable one.
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Emergency shelter (space blanket) — Wind and rain strip heat faster than most people realize; a compact emergency shelter blocks both.
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Knife or multi-tool — A multi-tool handles problems you can't predict: jammed zippers, tangled line, first-aid tape cutting, or gear fixes on the trail.
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Extra clothing layer — A lightweight fleece or puffy stuffs small but provides critical insulation if temperatures drop unexpectedly.
Wildlife Gear
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Hiking buddy (avoid solo) — A companion can help with first aid, signaling, and decision-making if a wildlife encounter turns serious.
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Noise maker — Group noise is especially important in dense brush or near berry patches where bears may be feeding and less alert.
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Gaiters — Thick gaiters deflect fangs before they reach skin, buying critical time in areas with rattlesnakes or copperheads.
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First-aid snakebite kit — Knowing how to immobilize a limb, mark swelling progression, and avoid harmful folk remedies can improve outcomes.
Terrain Gear
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Wide-brim hat — At high elevation where UV is 10-12% stronger per 1,000 feet of gain, a hat provides constant passive protection.
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Sunscreen SPF50+ — Sunburn isn't just discomfort — severe burns cause fluid loss, fatigue, and impaired thermoregulation that compound in remote settings.
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Extra water (desert) — In arid heat, your body loses 1-2 liters per hour during exertion; running out of water in the desert is life-threatening.
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Headlamp (extra) — Cave exploration, deep canyons, and dense forest canopy create darkness even during daylight hours.
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Emergency bivy — Unlike a space blanket, a bivy fully encloses you, trapping more warmth and blocking wind from all directions.
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PLB/satellite messenger — In remote wilderness with no cell coverage, a PLB is your only way to call for help during a serious injury or emergency.
Seasonal Gear
- Spring: Camera, Wildflower field guide
- Fall: Camera, Binoculars (foliage viewing)
Activities & Best Time to Visit Bigelow (butterfly) Trailhead, Pima
The Desert terrain here lends itself to a range of outdoor activities throughout the year.
From backpacking, hiking, photography, the outdoor activities at Bigelow (butterfly) take advantage of the local terrain and climate.
With a photography score of 55/100, Bigelow (butterfly) offers Good dark sky (Bortle 3) and 3 excellent meteor showers worth capturing.
Activities
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backpacking — Backpacking combines endurance, planning, and remote wilderness camping.
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hiking — Hiking ranges from gentle nature walks to challenging summit climbs.
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photography — Golden hour and dramatic weather can transform ordinary scenes into striking images.
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picnicking — Picnicking turns a scenic overlook or shady grove into a memorable gathering spot.
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walking — Walking lets you slow down and notice details — wildflowers, birdsong, shifting light through trees.
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wildlife_viewing — Early mornings and dusk offer the best chances to quietly spot native wildlife.
Best months: Jun, Jul, Aug, Sep
Terrain: Desert — Cacti, shrubs, and drought-tolerant plants dominate arid landscapes.
Wildlife Safety at Bigelow (butterfly) Trailhead, Pima
A few species in this area warrant awareness — here's what to keep in mind.
Understanding the local hazards at Bigelow (butterfly) starts with knowing what's here: venomous snakes.
- Mountain lions
- Venomous snakes
- Remote (106mi from city)
- Good dark sky (Bortle 3)
- 3 excellent meteor showers
- Fall foliage
- Spring wildflowers
Venomous Snakes
Watch your step — are present in the Desert habitat around Bigelow (butterfly).
- Watch where you step and place hands
- Stay on trails
- Wear boots and long pants in snake country
- Do not reach under rocks or logs
- If bitten: stay calm, immobilize limb, seek medical help immediately
- Do NOT: cut wound, suck venom, apply tourniquet, ice, or alcohol
Nature & Wildlife at Bigelow (butterfly) Trailhead, Pima
The Desert terrain here supports a rich ecosystem worth noticing as you explore.
Walk quietly and you may spot White-tailed Deer and Arizona Gray Squirrel among the 2 tree species and 1 wildflower that grow here.
Trees (2)
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Arizona sycamore — Trunks may become massive near the base. -
silverleaf oak — Acorns mature in one season.
Wildflowers (1)
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Arizona poppy — Finely divided gray-green foliage.
Shrubs (4)
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Creosote Bush — An evergreen desert shrub with small resinous leaves divided into paired leaflets. -
tree cholla — Fruits persist on stems after flowering, adding texture to its silhouette. -
Engelmann's Hedgehog Cactus — Adapted to desert heat, this cactus stores water in thick stems and tolerates prolonged drought.
Other Plants (5)
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fishhook barrel cactus
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ocotillo
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rainbow hedgehog cactus
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Palmer's agave
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saguaro
Mammals (5)
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White-tailed Deer — Slender build with long legs and large dark eyes. -
Arizona Gray Squirrel — Distinct from eastern gray squirrels by range. -
White-nosed Coati — Slender body with elongated snout. -
Pronghorn — Both sexes have short, curved horns with a forward prong. -
Rock Squirrel — Stouter and larger than many other ground squirrels.
Birds (30)
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Ruddy Duck — Brown winter plumage -
Rock Pigeon — White or mottled urban color morphs -
Ring-necked Duck — Female brown with white eye ring -
Gambel's Quail — Black face patch -
Neotropic Cormorant — Long tail
Reptiles (9)
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Yarrow's Spiny Lizard — Often shows dark crossbands and subtle patterning. -
Western Diamond-backed Rattlesnake — Black-and-white banded tail ending in a rattle. -
Ornate Tree Lizard — Males may show bluish patches on the belly. -
Clark's Spiny Lizard — Males may show blue markings on the throat and belly. -
Sonoran Spotted Whiptail — Long tail and smooth scales.
Amphibians (3)
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Sonoran Desert Toad -
Canyon Tree Frog -
Red-spotted Toad
Insects (20)
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Marine Blue -
Pipevine Swallowtail -
Arizona Sister -
American Snout -
Bordered Patch
Other Wildlife (1)
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Stripe-tailed Scorpion
Nature Bingo at Bigelow (butterfly) Trailhead, Pima
Can you spot them all? Check off each species as you find it on your visit.
Wildlife Challenge
Botany Challenge
Bigelow (butterfly) Trailhead, Pima Climate & Sun
Use this climate breakdown to plan around the weather.
Climate data for Bigelow (butterfly) shows Temperate patterns, averaging 54.6°F year-round.
Climate type: Temperate
Annual avg temp: 54.6°F
Annual precipitation: 31.1 in
With an average annual temperature of 54.6°F and 31.1 inches of precipitation, Bigelow (butterfly) has mild, moderate rainfall conditions. Summer highs average around 70°F, while winter lows drop to 40°F.
Best months to visit: Apr, May, Jun, Sep, Oct. Consider avoiding: Aug.
| Month | Avg Temp | Precip |
|---|---|---|
| Jan | 40°F | 2.9 in |
| Feb | 41°F | 3.5 in |
| Mar | 45°F | 2.2 in |
| Apr | 51°F | 1.0 in |
| May | 60°F | 0.6 in |
| Jun | 69°F | 0.4 in |
| Jul | 70°F | 4.8 in |
| Aug | 68°F | 5.6 in |
| Sep | 65°F | 2.9 in |
| Oct | 58°F | 1.8 in |
| Nov | 49°F | 2.1 in |
| Dec | 40°F | 3.3 in |
Daylight & Sun Times
Daylight ranges from 10 hours in winter to 14.3 hours in summer — a difference of 4.3 hours.
Summer: 5:14 AM – 7:30 PM
Winter: 7:16 AM – 5:19 PM
Bigelow (butterfly) Trailhead, Pima Trip Planning & Access
With the lay of the land covered, here are the trip planning details.
The closest major city is Phoenix at 106 miles, making this a short road trip destination.
Visitor Friendliness
Visitor friendliness: families (excellent), dogs (likely_allowed), elderly (highly_suitable).
- Dogs: likely_allowed — No restrictions found
- Families: excellent
- Elderly: highly_suitable
- Strollers: excellent (100/100)
- Beginners: Good starting point
- Accessibility: Generally accessible to most visitors (95/100)
Places Near Bigelow (butterfly) Trailhead, Pima
Nearby trails, campgrounds, and attractions expand what you can do on this trip.
18 outdoor locations are close enough to Bigelow (butterfly) to combine into a single trip.
Nearby Trails
Nearby Campgrounds
Nearby Attractions
Stargazing & Night Sky at Bigelow (butterfly) Trailhead, Pima
Don't pack up when the sun goes down — the night sky here has plenty to offer.
The night sky here rates Bortle class 3, meaning Rural sky conditions for spotting constellations and celestial events.
Constellations
Look for Ursa Minor, Cepheus — all visible from this location depending on the season.
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Ursa Minor — This compact constellation contains Polaris at the end of its handle, a reliable guide to true north. -
Cepheus — Named for a mythological king, this constellation sits beside Cassiopeia and is circumpolar in northern latitudes.
Meteor Showers
For meteor viewing, the Geminids (December 13-14) offers the best show at this location.
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Geminids — peaks December 13-14 (excellent)Cold December air often means clear skies—look overhead after midnight for bright, slow-moving meteors.
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Quadrantids — peaks January 3-4 (excellent)Bundle up—January nights are frigid, but dark skies can produce bright fireballs.
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Perseids — peaks August 11-13 (excellent)Peak activity typically builds after midnight when Perseus climbs higher.
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Eta Aquariids — peaks May 5-6 (good)Southern U.S. observers often get better rates due to the radiant's position.
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Delta Aquariids — peaks July 28-29 (fair)This steady shower rewards patient observers in dark, moonless conditions.
Planets
Planets visible to the naked eye from this location:
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Venus — The brightest planet, often called the Morning or Evening Star -
Jupiter — The largest planet, bright and steady in the night sky -
Saturn — Famous for its rings, visible as a golden steady light -
Mars — The Red Planet, recognizable by its reddish-orange hue
Equipment Guide
- Naked eye: Venus, Jupiter, Saturn, Mars, Mercury (with care)
- Binoculars: Jupiter moons, Uranus, Saturn rings (barely)
- Small telescope: Saturn rings, Jupiter bands, Mars surface features, Neptune
Viewing Tips
- Check planets rise/set times for your specific date
- Planets appear along the ecliptic (zodiac path)
- Planets don't twinkle like stars - steady light
- Venus and Jupiter are unmistakable - brightest objects after Moon
- Use a stargazing app to confirm planet positions
- Best viewing: when planet is highest in sky (transit)
Best Viewing Months
- Evening: Oct, Nov, Dec, Jan, Feb
- Morning: Jul, Aug, Sep
Seasonal Highlights at Bigelow (butterfly) Trailhead, Pima
Different seasons reveal different sides of Bigelow (butterfly).
The landscape at Bigelow (butterfly) transforms through the year, with 3 notable seasonal events.
Spring Wildflowers
Peak bloom: March - April
Check local park websites for bloom reports
Fall Foliage
Peak color: October 25 – November 15
Best trees for color: Maple, Oak, Aspen
Higher elevations peak 1-2 weeks earlier
Bird Migration
Spring peak: March - April
Fall peak: October - November
Best spots: Wetlands, coastlines, mountain ridges
Indigenous Land at Bigelow (butterfly) Trailhead, Pima
This landscape holds cultural significance that extends far beyond recreation.
Indigenous peoples have shaped this landscape for millennia. Bigelow (butterfly) sits within the traditional territory of O’odham Jeweḍ, Sobaipuri, Tohono O’odham.
Languages
2 Indigenous languages are associated with the peoples of this area: San Carlos, Pima.
Data from Native Land Digital
Bigelow (butterfly) Trailhead, Pima Geology & Natural History
Beyond the trails and wildlife, Bigelow (butterfly) sits within a landscape shaped by millions of years of geological processes. Here's what researchers and surveys have documented about this area.
Bedrock Geology
- Rock Type
- Early Tertiary to Late Cretaceous muscovite-bearing granitic rocks
- Formation
- Wilderness Granite; Pan Tak Granite
- Lithology
- Major:{granite}, Minor:{pegmatite}
- Age
- Thanetian
Fossils
- Fossil Occurrences
- 65
- Unique Species
- 63
- Oldest
- 129,000 years ago
Mineral Deposits
- Deposit Sites
- 148
- Richness
- Exceptional
- Minerals Found
- Copper, Tungsten, Gold, Sand and Gravel, Construction, Silver, Lead, Geothermal
Endangered Species
- Species at Risk
- 1478
- ESA Endangered
- 29
- ESA Threatened
- 16
- Conservation Score
- 100/100
Temperature Records
- Record High
- 118°F (1990-06-27)
- Record Low
- -7°F (1985-02-02)
Wildfire History
This area has a relatively low wildfire risk, but always follow posted fire regulations.
- Recorded Fires
- 125
- Largest Fire
- BIGHORN (119,634.5 acres)
- Most Recent
- 2024
- Fire Risk
- Extreme
Watershed
- Watershed
- Sabino Creek
- Water Quality (Good)
- 16.155%
- Impaired
- 0%
Meteorite Landings
- Meteorites Found
- 1
- Largest
- Udall Park (0.2 kg)
Filming Locations
- Productions Filmed
- 3
- Notable Films
- The Dentist, Tin Cup, Alice Doesn't Live Here Anymore
Reported Phenomena
- UFO Sightings
- 243 (NUFORC)
- Haunted Places
- 22 (Shadowlands)
- Eeriness Score
- 60/100
Bigelow (butterfly) Trailhead, Pima Safety & Conditions
For up-to-the-minute safety information, use these official resources.
Live conditions for Bigelow (butterfly) — bookmark these for your trip.
Coordinates: 32.415833, -110.713333