Spencer Canyon Campground, Pima

Campgrounds in Arizona

Spencer Canyon

Photo: Debbie / CC BY 2.0

Campgrounds 7,896 ft Bortle 3 Solitude: 90/100 (remote)
Spencer Canyon in Arizona near Mount Lemmon averages 54°F yearly. This secluded spot has 5 mammal and 30 bird species, ideal from spring to fall.

Near Mount Lemmon, AZ in Arizona

What to Pack for Spencer Canyon Campground, Pima

Given these conditions, here's what to pack for a safe and comfortable visit.

Based on the terrain, climate, and wildlife at Spencer Canyon, here's what to bring.

Essential

  • Water (minimum 2L) — Dehydration impairs judgment and endurance long before you feel thirsty; 2L is the minimum for a moderate day hike.
  • Navigation (map/GPS/compass) — Phone batteries die, cell service disappears, and trail signs get vandalized; a paper map and compass always work.
  • Sun protection (sunglasses, sunscreen) — UV exposure intensifies at elevation and near reflective surfaces like water and snow; sunburn can happen in under 30 minutes.
  • First aid kit — Blisters, cuts, and sprains happen on even the easiest trails; basic supplies let you treat problems before they force a retreat.
  • Extra food — A wrong turn or unexpected storm can extend any outing by hours; extra calories prevent fatigue and poor decision-making.
  • Headlamp with extra batteries — Trails that seem short in daylight can take twice as long with route-finding or elevation; a headlamp keeps you moving safely after dark.
  • Fire starter — Hypothermia can set in even during summer at higher elevations; a reliable fire starter provides warmth and a signal for rescuers.
  • Emergency shelter (space blanket) — A space blanket weighs under two ounces and reflects up to 90% of body heat, buying time in an unplanned overnight.
  • Knife or multi-tool — From cutting cord to preparing food to improvising gear repairs, a knife is the most versatile tool you can carry.
  • Extra clothing layer — Mountain weather can shift from sunshine to sleet within an hour; an extra layer prevents dangerous heat loss.

Wildlife Gear

  • Hiking buddy (avoid solo) — Groups of three or more are almost never involved in serious bear incidents; larger groups make more noise and appear more intimidating.
  • Noise maker — Clapping, whistling, or using an air horn warns wildlife of your approach, preventing surprise encounters on blind corners.
  • Gaiters — Snake-proof gaiters provide a physical barrier against venomous bites below the knee, where most strikes occur.
  • First-aid snakebite kit — While evacuation to a hospital is the priority, a snakebite kit helps you stay calm and follow proper first-aid protocols.

Terrain Gear

  • Wide-brim hat — A wide brim shades your face, ears, and neck simultaneously, reducing UV exposure and lowering heat stroke risk.
  • Sunscreen SPF50+ — Reflected UV from water, sand, and snow can burn exposed skin even on overcast days; SPF50+ blocks 98% of UVB rays.
  • Extra water (desert) — Desert water sources are unreliable and often seasonal; carry all the water you need rather than counting on finding more.
  • Headlamp (extra) — Remote terrain often takes longer than expected to navigate; a backup headlamp prevents being stranded in darkness if your primary fails.
  • Emergency bivy — An emergency bivy sack weighs 4-8 ounces and provides wind and rain protection if an injury, storm, or navigation error forces an unplanned night out.
  • PLB/satellite messenger — A Personal Locator Beacon sends your GPS coordinates to search-and-rescue via satellite, working anywhere on Earth with no cell signal needed.
  • SPF50 lip balm — Lips lack melanin and burn faster than other skin; cracked, sunburned lips at altitude are painful and slow to heal.

Seasonal Gear

  • Spring: Camera, Wildflower field guide
  • Fall: Camera, Binoculars (foliage viewing)
  • Winter: Microspikes/traction devices

Activities & Best Time to Visit Spencer Canyon Campground, Pima

The Desert terrain here lends itself to a range of outdoor activities throughout the year.

Spencer Canyon supports 7 outdoor activities, with camping being the most popular draw.

Photographers rate this area 55/100, with Good dark sky (Bortle 3) and 3 excellent meteor showers being a major draw.

Activities

  • camping — Spend the night outdoors in a tent or campsite under open skies.
  • hiking — Follow marked trails through forests, deserts, or alpine terrain for a deeper connection with nature.
  • photography — Capture landscapes, wildlife, and changing light across trails, coastlines, and mountain vistas.
  • picnicking — Spread a blanket, unpack a meal, and enjoy food outdoors surrounded by fresh air and open views.
  • stargazing — Far from city lights, the night sky reveals constellations, planets, and meteor showers.
  • walking — A simple way to explore trails, shorelines, and park paths at your own pace while taking in the scenery.
  • wildlife_viewing — Observe animals in their natural habitats, from grazing deer to soaring raptors overhead.

Best months: Oct, Nov, Dec, Jan, Feb, Mar, Apr

Terrain: Desert — Desert terrain features sparse vegetation, exposed soils, and wide temperature swings between day and night.

Wildlife Safety at Spencer Canyon Campground, Pima

While the wildlife here is part of the experience, some species require caution and preparation.

With a danger score of 30/10, Spencer Canyon has a few wildlife hazards worth preparing for.

Danger rating: 30/100 (based on terrain difficulty, wildlife presence, weather exposure, and remoteness) moderate
  • Mountain lions
  • Venomous snakes
  • Remote (105mi from city)
Altitude risk: mild
UV risk: extreme (Southern latitude (32N), Elevated (7,896ft), Desert (exposed))
Photo score: 55/100
  • Good dark sky (Bortle 3)
  • 3 excellent meteor showers
  • Fall foliage
  • Spring wildflowers

Venomous Snakes

Venomous snakes here include Western Diamondback, Mojave, Sidewinder, Arizona Coral Snake. They're most active during warm months.

Western Diamondback

A heavy-bodied rattlesnake with bold diamond-shaped blotches along the back and a black-and-white banded tail ending in a rattle.

Seek emergency medical care immediately and keep the bitten limb immobilized at heart level.

Mojave

A large rattlesnake with diamond-like dorsal blotches and a banded tail similar to the Western Diamondback.

Call emergency services immediately and limit movement to slow venom spread.

Sidewinder

A small pale rattlesnake with horn-like scales above each eye and a sidewinding mode of travel.

Seek immediate medical attention and immobilize the affected limb.

Arizona Coral Snake

A small slender snake with red, yellow, and black rings around the body.

Seek emergency medical care immediately.

  • 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 Spencer Canyon Campground, Pima

The Desert terrain here supports a rich ecosystem worth noticing as you explore.

Spencer Canyon sits within a Desert ecosystem home to 5 documented mammal species and 30 bird species.

Trees (2)

  • Arizona sycamore
    Arizona sycamore — Round seed balls hang on long stalks.
  • silverleaf oak
    silverleaf oak — The bark is dark and furrowed.

Wildflowers (1)

  • Arizona poppy
    Arizona poppy — Bright orange to yellow cup-shaped flowers.

Shrubs (4)

  • Creosote Bush
    Creosote Bush — An evergreen desert shrub with small resinous leaves divided into paired leaflets.
  • tree cholla
    tree cholla — Older stems form a woody trunk-like base, giving it a branching tree form.
  • Engelmann's Hedgehog Cactus
    Engelmann's Hedgehog Cactus — Bright cup-shaped flowers open in sunlight and are followed by spiny fruits. It thrives in rocky desert slopes and well-drained soils.

Other Plants (5)

  • fishhook barrel cactus
  • ocotillo
  • rainbow hedgehog cactus
  • Palmer's agave
  • saguaro

Mammals (5)

  • White-tailed Deer
    White-tailed Deer — Reddish-brown in summer and grayish in winter with a bright white underside to the tail.
  • Arizona Gray Squirrel
    Arizona Gray Squirrel — A large gray squirrel with white underparts and long bushy tail.
  • White-nosed Coati
    White-nosed Coati — A raccoon-like mammal with long ringed tail and white facial markings.
  • Pronghorn
    Pronghorn — A slender tan-and-white ungulate with distinctive black facial markings.
  • Rock Squirrel
    Rock Squirrel — A large ground squirrel with mottled gray-brown fur and bushy tail.

Birds (30)

  • Ruddy Duck
    Ruddy Duck — Breeding male with bright blue bill and chestnut body
  • Rock Pigeon
    Rock Pigeon — Blue-gray with two black wing bars
  • Ring-necked Duck
    Ring-necked Duck — Male with glossy black head and gray sides
  • Gambel's Quail
    Gambel's Quail — Gray body with chestnut flanks
  • Neotropic Cormorant
    Neotropic Cormorant — Small dark cormorant

Reptiles (9)

  • Yarrow's Spiny Lizard
    Yarrow's Spiny Lizard — A medium-sized lizard with spiny scales and gray to brown coloring.
  • Western Diamond-backed Rattlesnake
    Western Diamond-backed Rattlesnake — A heavy-bodied rattlesnake with bold diamond-shaped dorsal blotches.
  • Ornate Tree Lizard
    Ornate Tree Lizard — A small spiny lizard with gray to brown coloration and subtle patterning.
  • Clark's Spiny Lizard
    Clark's Spiny Lizard — A medium lizard with rough scales and gray to brown coloration.
  • Sonoran Spotted Whiptail
    Sonoran Spotted Whiptail — A slender lizard with spotted pattern and faint stripes.

Amphibians (3)

  • Sonoran Desert Toad
    Sonoran Desert Toad
  • Canyon Tree Frog
    Canyon Tree Frog
  • Red-spotted Toad
    Red-spotted Toad

Insects (20)

  • Marine Blue
    Marine Blue
  • Pipevine Swallowtail
    Pipevine Swallowtail
  • Arizona Sister
    Arizona Sister
  • American Snout
    American Snout
  • Bordered Patch
    Bordered Patch

Other Wildlife (1)

  • Stripe-tailed Scorpion

Nature Bingo at Spencer Canyon Campground, Pima

Can you spot them all? Check off each species as you find it on your visit.

Wildlife Challenge

Botany Challenge

Spencer Canyon Campground, Pima Climate & Sun

For detailed planning, here's the climate data for this area.

The climate at Spencer Canyon averages 53.7°F annually, with Temperate conditions.

Climate type: Temperate

Annual avg temp: 53.7°F

Annual precipitation: 33.8 in

With an average annual temperature of 53.7°F and 33.8 inches of precipitation, Spencer Canyon has mild, moderate rainfall conditions. Summer highs average around 69°F, while winter lows drop to 39°F.

Best months to visit: Apr, May, Jun, Oct. Consider avoiding: Aug.

Month Avg Temp Precip
Jan 39°F 3.0 in
Feb 40°F 3.7 in
Mar 44°F 2.5 in
Apr 50°F 1.1 in
May 59°F 0.7 in
Jun 68°F 0.5 in
Jul 69°F 4.9 in
Aug 67°F 6.1 in
Sep 64°F 3.1 in
Oct 57°F 2.0 in
Nov 48°F 2.6 in
Dec 39°F 3.6 in

Daylight & Sun Times

Daylight ranges from 10 hours in winter to 14.3 hours in summer — a difference of 4.3 hours.

Summer: 5:15 AM – 7:30 PM

Winter: 7:16 AM – 5:19 PM

Winter Solstice: Sunrise 7:16 AM, Sunset 5:19 PM Golden hour from 4:41 PM
Summer Solstice: Sunrise 5:15 AM, Sunset 7:30 PM Golden hour from 6:54 PM
Spring Equinox: Sunrise 6:34 AM, Sunset 6:30 PM Golden hour from 5:57 PM
Fall Equinox: Sunrise 6:05 AM, Sunset 6:30 PM Golden hour from 5:58 PM

Spencer Canyon Campground, Pima Trip Planning & Access

Planning your trip to Spencer Canyon — here's the practical information you'll need.

The nearest major city to Spencer Canyon is Phoenix, about 105 miles away.

Nearest city: Phoenix (105 mi)
Estimated fuel cost: $26.3 (28 mpg, $3.5/gallon)
Carbon footprint: 85 kg CO2 (round trip by car)

Visitor Friendliness

This location rates likely_allowed for dogs, excellent for families, and highly_suitable for elderly visitors.

  • 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 Spencer Canyon Campground, Pima

There's more to explore in this part of Arizona.

There are 17 outdoor destinations within easy reach of Spencer Canyon.

Stargazing & Night Sky at Spencer Canyon Campground, Pima

Once you're geared up and settled in, the night sky here offers its own rewards.

The skies above Spencer Canyon register a Bortle class 3, making this a Rural sky location for stargazing.

Bortle 3 Rural sky

Constellations

From Spencer Canyon, you can trace Ursa Minor, Cepheus across the sky on clear nights.

  • Ursa Minor
    Ursa Minor — Home to Polaris, the North Star, Ursa Minor forms a small dipper shape that circles the northern sky year-round.
  • Cepheus
    Cepheus — Cepheus appears as a faint house-shaped pattern near Polaris in the northern sky.

Meteor Showers

Time your visit around December 13-14 for the Geminids, the strongest meteor shower visible from this latitude.

  • Geminids
    Geminids — peaks December 13-14 (excellent)

    One of the most reliable and active showers of the year; best viewed after 10 PM when Gemini rises higher in the sky.

  • Quadrantids
    Quadrantids — peaks January 3-4 (excellent)

    This brief but intense shower peaks before dawn; early morning hours offer the best chance to see multiple meteors.

  • Perseids
    Perseids — peaks August 11-13 (excellent)

    A summer favorite with warm nighttime viewing; look northeast after 10 PM.

  • Eta Aquariids
    Eta Aquariids — peaks May 5-6 (good)

    Best seen before dawn in the southeastern sky as Aquarius rises.

  • Delta Aquariids
    Delta Aquariids — peaks July 28-29 (fair)

    Best viewed after midnight when Aquarius is higher in the southern sky.

Planets

Planets visible to the naked eye from this location:

  • Venus
    Venus — The brightest planet, often called the Morning or Evening Star
  • Jupiter
    Jupiter — The largest planet, bright and steady in the night sky
  • Saturn
    Saturn — Famous for its rings, visible as a golden steady light
  • Mars
    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 Spencer Canyon Campground, Pima

The sky isn't the only thing that changes with the seasons at Spencer Canyon.

The seasons shape the experience at Spencer Canyon — here's what each one brings.

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 Spencer Canyon Campground, Pima

This area sits on land with a deep human history that predates modern recreation.

Spencer Canyon sits on the traditional lands of O’odham Jeweḍ, Sobaipuri, Tohono O’odham.

Languages

Indigenous languages connected to this territory include San Carlos, Pima.

Data from Native Land Digital

Spencer Canyon Campground, Pima Geology & Natural History

Beyond the trails and wildlife, Spencer Canyon 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

Spencer Canyon Campground, Pima Safety & Conditions

Before heading out, check these real-time safety resources for current conditions.

Check current conditions at Spencer Canyon before heading out using these official sources.

Nearest weather station: MOUNT LEMMON FIRE DEPARTMENT, AZ US (2.37 mi)

Coordinates: 32.416667, -110.7401

Packing List Star Guide ↑ Top
Spencer Canyon
Arizona · 7,896 ft · Campgrounds · 32.4167°N, -110.7401°W

Emergency Information

In case of emergency: Call 911

Nearest town: Mount Lemmon, AZ

Venomous snakes present — Watch where you step (Western Diamondback,Mojave,Sidewinder,Arizona Coral Snake)