Marshall Gulch Th Trailhead, Pima

Trailheads in Arizona

Marshall Gulch Th

Photo: Debbie / CC BY 2.0

Trailheads 7,506 ft Bortle 3 Solitude: 90/100 (remote)
Visit MARSHALL GULCH TH, located 1.4 miles from Mount Lemmon, AZ. Elevation: 7,500 ft. Mountain terrain. Best visited May-Sep.

Near Mount Lemmon, AZ in Arizona

What to Pack for Marshall Gulch Th Trailhead, Pima

A well-packed bag handles most of what this area can throw at you.

Between the Desert terrain and venomous snakes, your pack for Marshall Gulch Th needs a few specific items.

Essential

  • Water (minimum 2L) — Water sources marked on maps may be seasonal or dry; carrying enough to complete your route prevents a dangerous shortfall.
  • Navigation (map/GPS/compass) — Getting lost is the leading cause of backcountry search-and-rescue calls; reliable navigation prevents the situation entirely.
  • Sun protection (sunglasses, sunscreen) — Prolonged sun exposure causes headaches, fatigue, and heat exhaustion that can cut a trip short or create a medical emergency.
  • First aid kit — Remote locations mean longer response times for help; a first aid kit bridges the gap between injury and professional care.
  • Extra food — High-energy snacks weigh little but provide crucial fuel if you need to bushwhack out or wait for conditions to improve.
  • Headlamp with extra batteries — Hands-free light is essential for navigating uneven terrain, setting up camp, or signaling for help at night.
  • Fire starter — Waterproof matches or a ferro rod weigh almost nothing and can be the difference between a cold night and a survivable one.
  • Emergency shelter (space blanket) — Wind and rain strip heat faster than most people realize; a compact emergency shelter blocks both.
  • 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.
  • Extra clothing layer — A lightweight fleece or puffy stuffs small but provides critical insulation if temperatures drop unexpectedly.

Wildlife Gear

  • Hiking buddy (avoid solo) — A companion can help with first aid, signaling, and decision-making if a wildlife encounter turns serious.
  • Noise maker — Group noise is especially important in dense brush or near berry patches where bears may be feeding and less alert.
  • Gaiters — Thick gaiters deflect fangs before they reach skin, buying critical time in areas with rattlesnakes or copperheads.
  • First-aid snakebite kit — Knowing how to immobilize a limb, mark swelling progression, and avoid harmful folk remedies can improve outcomes.

Terrain Gear

  • Wide-brim hat — At high elevation where UV is 10-12% stronger per 1,000 feet of gain, a hat provides constant passive protection.
  • Sunscreen SPF50+ — Sunburn isn't just discomfort — severe burns cause fluid loss, fatigue, and impaired thermoregulation that compound in remote settings.
  • 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.
  • SPF50 lip balm — High elevation, snow glare, and desert sun amplify UV exposure on exposed facial skin, especially lips.

Seasonal Gear

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

Activities & Best Time to Visit Marshall Gulch Th Trailhead, Pima

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

Oct, Nov, Dec, Jan, Feb, Mar, Apr is the prime window for visiting Marshall Gulch Th, when conditions favor birdwatching and the weather cooperates.

With a photography score of 55/100, Marshall Gulch Th offers Good dark sky (Bortle 3) and 3 excellent meteor showers worth capturing.

Activities

  • birdwatching — Binoculars and field guides help track seasonal migrations and rare sightings.
  • photography — Golden hour and dramatic weather can transform ordinary scenes into striking images.
  • picnicking — Picnicking turns a scenic overlook or shady grove into a memorable gathering spot.
  • walking — Walking lets you slow down and notice details — wildflowers, birdsong, shifting light through trees.
  • wildlife_viewing — Early mornings and dusk offer the best chances to quietly spot native wildlife.

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

Terrain: Desert — Cacti, shrubs, and drought-tolerant plants dominate arid landscapes.

Wildlife Safety at Marshall Gulch Th Trailhead, Pima

A few species in this area warrant awareness — here's what to keep in mind.

Marshall Gulch Th carries a danger score of 30/10, driven primarily by venomous snakes.

Danger rating: 30/100 (based on terrain difficulty, wildlife presence, weather exposure, and remoteness) moderate
  • Mountain lions
  • Venomous snakes
  • Remote (104mi from city)
Altitude risk: mild
UV risk: extreme (Southern latitude (32N), Elevated (7,506ft), Desert (exposed))
Photo score: 55/100
  • 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 Marshall Gulch Th.

  • 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 Marshall Gulch Th Trailhead, Pima

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

Biodiversity at Marshall Gulch Th is shaped by the Desert terrain and Temperate climate, producing distinct plant and animal communities.

Trees (2)

  • Arizona sycamore
    Arizona sycamore — Trunks may become massive near the base.
  • silverleaf oak
    silverleaf oak — Acorns mature in one season.

Wildflowers (1)

  • Arizona poppy
    Arizona poppy — Finely divided gray-green foliage.

Shrubs (4)

  • Creosote Bush
    Creosote Bush — An evergreen desert shrub with small resinous leaves divided into paired leaflets.
  • tree cholla
    tree cholla — Fruits persist on stems after flowering, adding texture to its silhouette.
  • Engelmann's Hedgehog Cactus
    Engelmann's Hedgehog Cactus — Adapted to desert heat, this cactus stores water in thick stems and tolerates prolonged drought.

Other Plants (5)

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

Mammals (5)

  • White-tailed Deer
    White-tailed Deer — Slender build with long legs and large dark eyes.
  • Arizona Gray Squirrel
    Arizona Gray Squirrel — Distinct from eastern gray squirrels by range.
  • White-nosed Coati
    White-nosed Coati — Slender body with elongated snout.
  • Pronghorn
    Pronghorn — Both sexes have short, curved horns with a forward prong.
  • Rock Squirrel
    Rock Squirrel — Stouter and larger than many other ground squirrels.

Birds (30)

  • Ruddy Duck
    Ruddy Duck — Brown winter plumage
  • Rock Pigeon
    Rock Pigeon — White or mottled urban color morphs
  • Ring-necked Duck
    Ring-necked Duck — Female brown with white eye ring
  • Gambel's Quail
    Gambel's Quail — Black face patch
  • Neotropic Cormorant
    Neotropic Cormorant — Long tail

Reptiles (9)

  • Yarrow's Spiny Lizard
    Yarrow's Spiny Lizard — Often shows dark crossbands and subtle patterning.
  • Western Diamond-backed Rattlesnake
    Western Diamond-backed Rattlesnake — Black-and-white banded tail ending in a rattle.
  • Ornate Tree Lizard
    Ornate Tree Lizard — Males may show bluish patches on the belly.
  • Clark's Spiny Lizard
    Clark's Spiny Lizard — Males may show blue markings on the throat and belly.
  • Sonoran Spotted Whiptail
    Sonoran Spotted Whiptail — Long tail and smooth scales.

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 Marshall Gulch Th Trailhead, Pima

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

Wildlife Challenge

Botany Challenge

Marshall Gulch Th Trailhead, Pima Climate & Sun

Use this climate breakdown to plan around the weather.

Temperature and precipitation data for Marshall Gulch Th help narrow down the ideal visit window.

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, Marshall Gulch Th 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 – 7:31 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 7:31 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

Marshall Gulch Th Trailhead, Pima Trip Planning & Access

With the lay of the land covered, here are the trip planning details.

At 104 miles from Phoenix, Marshall Gulch Th is a short road trip for most visitors.

Nearest city: Phoenix (104 mi)
Estimated fuel cost: $26 (28 mpg, $3.5/gallon)
Carbon footprint: 84 kg CO2 (round trip by car)

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: Perfect for beginners (Low-commitment activity (+10))
  • Accessibility: Generally accessible to most visitors (95/100)

Places Near Marshall Gulch Th Trailhead, Pima

Nearby trails, campgrounds, and attractions expand what you can do on this trip.

Don't limit your trip to just Marshall Gulch Th — the surrounding area has 18 more places to discover.

Stargazing & Night Sky at Marshall Gulch Th Trailhead, Pima

Don't pack up when the sun goes down — the night sky here has plenty to offer.

Night falls differently here — the Bortle 3 rating means Rural sky visibility for stars, planets, and meteor showers.

Bortle 3 Rural sky

Constellations

Look for Ursa Minor, Cepheus — all visible from this location depending on the season.

  • Ursa Minor
    Ursa Minor — This compact constellation contains Polaris at the end of its handle, a reliable guide to true north.
  • Cepheus
    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.

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

    Cold December air often means clear skies—look overhead after midnight for bright, slow-moving meteors.

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

    Bundle up—January nights are frigid, but dark skies can produce bright fireballs.

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

    Peak activity typically builds after midnight when Perseus climbs higher.

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

    Southern U.S. observers often get better rates due to the radiant's position.

  • Delta Aquariids
    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:

  • 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 Marshall Gulch Th Trailhead, Pima

Different seasons reveal different sides of Marshall Gulch Th.

Nature at Marshall Gulch Th follows a seasonal calendar — here's when to come for what you want to see.

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 Marshall Gulch Th Trailhead, Pima

This landscape holds cultural significance that extends far beyond recreation.

The cultural landscape of Marshall Gulch Th reflects the long presence of O’odham Jeweḍ, Sobaipuri, Tohono O’odham on this land.

Languages

2 Indigenous languages are associated with the peoples of this area: San Carlos, Pima.

Data from Native Land Digital

Marshall Gulch Th Trailhead, Pima Geology & Natural History

Beyond the trails and wildlife, Marshall Gulch Th 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

Marshall Gulch Th Trailhead, Pima Safety & Conditions

For up-to-the-minute safety information, use these official resources.

Don't rely on forecasts alone — check these live sources for the latest conditions near Marshall Gulch Th.

Flood zone: Not in a flood zone
Nearest weather station: MOUNT LEMMON FIRE DEPARTMENT, AZ US (1.43 mi)

Coordinates: 32.428056, -110.755278

Packing List Star Guide ↑ Top
Marshall Gulch Th
Arizona · 7,506 ft · Trailheads · 32.4281°N, -110.7553°W

Emergency Information

In case of emergency: Call 911

Nearest town: Mount Lemmon, AZ

Venomous snakes present — Watch where you step ()