Sep 2, 2026

Pinnacle Peak Park: No Dogs on the Trail, Any Temperature

Not above a temperature. Not in summer. At all. The one Scottsdale trail that is closed to dogs, and the closed trailhead the city points you to instead.

Luis ZamoraCo-founder of PetCompass; Dog Dad to Banzo and Tuck

Scottsdale, Arizona10 min readThings to DoPet Care & Services

Scottsdale's best-known summit trail is closed to dogs. Not above a temperature, not in summer. At all.

Verbatim from the city's Pinnacle Peak Park page:

"Hiking with your dog and biking are not allowed on the trail. These activities are permitted at the nearby Brown's Ranch Trailhead ."

One sentence, two prohibitions, no conditions attached. Dogs and bikes, off the trail, whatever the thermometer says.

That makes Pinnacle Peak the sharpest contrast in the metro area. Phoenix closes all of its city trails to dogs above 100 degrees, so the answer there changes daily. Scottsdale's McDowell Sonoran Preserve tells dog owners to stay home above 90 degrees, which is guidance you apply yourself. Pinnacle Peak is a flat no.

What you would be missing

The park's own numbers, from the Quick Facts panel on the same page:

Quick fact	Figure
Park size	150 acres
Trail length	2 miles (one way)
Cumulative climb	1,300 feet
Highest trail point	2,889 feet
Lowest trail point	2,366 feet
Trailhead elevation figure published	2,570 feet

Two miles up and 1,300 feet of climb, in full sun, on rock. Which is worth saying plainly: even if dogs were allowed, this is not a trail most dogs should be on outside the coldest months of the year.

The park is at 26802 N. 102nd Way in Scottsdale, and the phone number is (480) 312-0990.

One oddity worth flagging so you do not copy it into a map app: the page's own address block prints "Scottsdale, AZ 26802", repeating the street number where the ZIP code should be. Use the street address and let the map resolve it.

The safety framing on the same page

The city is blunt about the trail generally, quite apart from dogs. Verbatim:

"Keep yourself from needing emergency medical care by taking ample water, a map, phone and wearing sturdy footwear, hat and sunscreen."

And, verbatim: "Rattlesnake activity varies seasonally. Stay on the trail at all times and stay alert."

Read that second line as part of the answer to why dogs are excluded. A two-mile single-track climb with rattlesnake activity, shared with hikers coming down, is a bad place for a dog on a lead and a worse one for a dog off it. Our rattlesnake bites and dogs in Scottsdale guide covers the clinic list the city publishes for snake bites, including which clinics say they hold anti-venom.

The alternative the city names is currently closed

This is the part that catches people, and it is worth checking before you drive.

Pinnacle Peak sends dog walkers and cyclists to Brown's Ranch Trailhead. The Preserve home page carries a banner that reads, verbatim: "Brown's Ranch Trailhead is closed for improvements."

From the Brown's Ranch improvements page, verbatim: "For your safety, Brown's Ranch trailhead and parking lot will be closed while undergoing improvements. During this time, there will be no parking on streets or in nearby neighborhoods allowed."

The dates the city publishes: expected start 13 July 2026, expected completion Fall 2026. No specific reopening date, so we are not printing one.

And "no parking on streets or in nearby neighborhoods allowed" closes the obvious workaround.

Where the city says to go instead

The Brown's Ranch page lists its nearest alternatives, and the parenthetical notes are the important part for anyone walking a dog. Verbatim:

"The nearest trailheads are:" "Tom's Thumb (no drinking water)" "Pima-Dynamite" "Fraesfield (no drinking water)" "Granite Mountain (no drinking water)"

Three of the four have no drinking water. Which means you are the entire water supply for two animals, with no top-up at the trailhead and no top-up at the end.

The Preserve's own rule on that is the one to run, verbatim from the Preserve page: "Bring ample water for you and your dog. When it is half gone, turn around."

Pima-Dynamite is the one on that list with no water warning attached, which by elimination makes it the sensible default for a dog walk if you are being sent off Brown's Ranch. We are inferring that from the absence of a note, not from a statement by the city, so check when you arrive.

The dog-friendly trailheads, including one with a fitting name

The Preserve has trailheads all over the city, and the city's own vet-clinic PDF groups them, which incidentally tells you which ones it considers the main access points.

Three groups appear on that list: Pima Dynamite, Brown's Ranch, Tom's Thumb, Granite Mountain and Fraesfield in the north; Gateway and Bell Road; and Lost Dog Wash and Sunrise.

Lost Dog Wash is a real trailhead name in the McDowell Sonoran Preserve, and it is the one closest to central Scottsdale on that list. Worth knowing that the nearest clinics to it, per the city, are Animal Clinic Del Rancho and KC Animal Hospital, and that the city flags the second of those as holding no rattlesnake anti-venom.

Gateway is the other well-signed main access, and its nearest listed clinic is McDowell Mountain Animal Hospital, which the city also flags as holding no anti-venom.

So the clinic map has a gap in exactly the middle of the city. In snake season, know which direction you would drive, because the closest clinic to two of the three trailhead groups is not the one that can treat a bite. Our emergency vets in Scottsdale guide covers the 24-hour hospitals, all four of which the city flags as holding anti-venom.

The rules that do apply where dogs are allowed

Everywhere in the Preserve that is open to dogs, four rules apply. Verbatim from the Preserve page:

"Dogs in the Preserve are a privilege. If you bring your dog, it is your responsibility to follow the rules:" "Dogs must be on handheld leash, no longer than six (6) feet at all times." "Loose or bagged waste on the trail is prohibited."

Plus the temperature line, which the page splits across two lines: over "90 degrees at any time in your hike, it's too hot for your dog."

Handheld, six feet, and 90 degrees. Our dogs in the McDowell Sonoran Preserve guide covers all of it, including the gate-hours table and the heat first aid conflict between the city and the county.

The one thing the ban does for you

Worth saying, because a prohibition reads as pure loss until you look at what the trail is.

Two miles of single track with 1,300 feet of climb, in a park of 150 acres, shared with hikers coming down. There is no loop and no shortcut: whatever you climb, you descend. A dog that runs out of water, cuts a pad or overheats at the top has to come down two miles, and you are carrying it.

Now add the two hazards the city names on that page: rattlesnake activity that "varies seasonally", and a heat exposure it warns can put you in need of emergency medical care.

The clinic arithmetic is the part most owners never do. Scottsdale's own trailhead clinic list puts the nearest practice to the Pinnacle Peak area, Pima North Animal Hospital, at 8864 E. Pinnacle Peak Road, and flags it as holding anti-venom on site, but its published hours are Monday to Friday 7 a.m. to 6 p.m. and Saturday 7 a.m. to 1 p.m. A Sunday afternoon incident goes to an emergency hospital instead, and the nearest of those is a drive rather than a detour.

So the practical reading of the ban is that the city has removed the hardest rescue in its park system from your list of options. Our rattlesnake bites and dogs in Scottsdale guide has the full clinic list with the anti-venom flags and the hours.

Why one park bans dogs and 30,500 acres do not

We cannot tell you the city's reasoning, because the page does not give one. What the pages do let you compare is the setting.

The Preserve is, verbatim, "one of the largest permanently protected urban desert preserves in the world, encompassing more than 30,500 acres and over 230 miles of multi-use trails for hikers, bikers, and equestrians." Two hundred and thirty miles of trail, with room to pass.

Pinnacle Peak is 150 acres with a single two-mile trail. The city bans bikes from it too, which suggests the constraint is the trail itself rather than anything about dogs.

That is our reading of two pages side by side, and we are labelling it as a reading.

The practical version

Do not drive to Pinnacle Peak with a dog in the car. Not on a cool day, not at 6 a.m. The prohibition has no temperature or time condition in it.

Check Brown's Ranch before you plan around it, because the city's named alternative for dog walkers has been closed since 13 July 2026 with a Fall 2026 completion estimate.

If you are being redirected, carry all the water. Three of the four nearest trailheads have no drinking water.

And if it is over 90 degrees, none of this applies, because the answer is a dog park at dawn instead. Our Scottsdale dog parks guide covers the four, two of which open at 5:30 a.m. year-round.

For the wider picture of what is off limits in this city, our where dogs are not allowed in Scottsdale guide collects every restriction with the rule behind it. And if you are comparing the two cities, our Scottsdale versus Phoenix dog rules guide sets the thresholds against each other.

Before you hike anywhere here with a dog

Know where the nearest vet is. Scottsdale publishes a clinic list keyed to Preserve trailheads, which our emergency vets in Scottsdale guide covers along with the 24-hour hospitals.

Have the licence and the tag on. It is a Maricopa County licence, and it changes what happens if your dog ends up at the shelter. Our Maricopa County dog licence guide has the fees and the thresholds.

Do the seven-second test on the rock, not on the car park. Maricopa County's instruction is to place your bare foot or the back of your hand on the surface for seven seconds, and if it is too hot for you it is too hot for the dog.

And carry the waste out. Loose or bagged waste on the trail is prohibited, so the bag comes with you until you find a container.

Our summer heat safety for pets and pet first aid basics guides cover the rest, and our pre-travel pet checklist is worth a look if you are coming from out of state.

Frequently asked questions

Can I hike Pinnacle Peak with my dog? No. The City of Scottsdale states that hiking with your dog and biking are not allowed on the trail, with no temperature or seasonal condition attached.

Is the Pinnacle Peak dog ban seasonal? No. The prohibition as published has no temperature trigger and no date range, unlike Phoenix's rule closing city trails to dogs at 100 degrees or warmer.

Where does Scottsdale say to take a dog instead? The Pinnacle Peak page directs hiking with dogs and biking to the nearby Brown's Ranch Trailhead. That trailhead is currently closed for improvements, with an expected start of 13 July 2026 and expected completion in Fall 2026.

Which trailheads are nearest to Brown's Ranch? The city lists Tom's Thumb, Pima-Dynamite, Fraesfield and Granite Mountain, and notes that Tom's Thumb, Fraesfield and Granite Mountain have no drinking water.

How long is the Pinnacle Peak trail? Two miles one way, with a cumulative climb of 1,300 feet, a highest trail point of 2,889 feet and a lowest of 2,366 feet, in a park of 150 acres.

Are bikes allowed at Pinnacle Peak? No. The same sentence that prohibits hiking with your dog also prohibits biking on the trail.

Sources

Closures and park rules change. Check the city's pages and the trailhead signage before you drive.