Skip to content
Visiting or new to Scottsdale? Start here
Scottsdale.tips
Hohokam archaeological park South of Scottsdale Phoenix (Papago Park) City archaeology since 1929, renamed 2023

S'edav Va'aki Museum: The Hohokam Platform Mound and Canal Headgates Beside the Airport, Formerly Pueblo Grande

S'edav Va'aki, O'odham for the central platform mound, is the City of Phoenix's museum and archaeological park on a Hohokam village occupied from about AD 450 to 1450 at the headgates of the great canals on the north bank of the Salt River. The mound, begun around AD 800 and grown to more than 20,000 cubic meters of fill, a ballcourt, replica houses and a demonstration garden sit along a two-thirds-mile outdoor trail; inside, galleries cover the archaeology and contemporary Indigenous perspectives. The city hired Odd Halseth as the nation's first city archaeologist here in 1929, the site became a National Historic Landmark in 1964, and on March 23, 2023, the Pueblo Grande Museum took its O'odham name.

Illustration for S'edav Va'aki Museum: hohokam archaeological park in Phoenix (Papago Park)

The 30-second version

  • The platform mound is the real thing, one of the largest the Hohokam built, and the trail takes you onto and around it; the ballcourt, the rebuilt pit houses and adobe compound and the crop garden fill out the village.
  • This village sat where the Hohokam took water out of the Salt River into canals that ran more than sixteen miles toward what is now Glendale; the Arizona Canal through Scottsdale follows the same logic and in places the same alignments.
  • The indoor galleries were rebuilt in a renovation that closed the museum for the summer of 2026; it reopened in September with its regular hours, including Thursday evenings until eight at a reduced rate.
  • The name changed from Pueblo Grande on March 23, 2023, because 'pueblo' is a Spanish word with nothing to do with the people who built the place; S'edav Va'aki is what the O'odham, their descendants, call the mound.
  • Seventeen minutes from Old Town, at 44th Street and Washington, with free parking, a light-rail station across the street and the Sky Train from the airport two stops away; allow ninety minutes.

Why leave Scottsdale for it

The one place in the Valley where you can walk up to a Hohokam platform mound, stand at the headgates of the canal system that Scottsdale's canals still follow, and see a ballcourt and rebuilt houses on a two-thirds-mile trail, next to a light-rail stop and ten minutes from the airport; the short, cheap, essential prelude to understanding why anyone lives here.

Drive from Old Town

17 min · south

Status

Open

Where

4619 E Washington St, Phoenix, AZ 85034

Open in Maps ↗

Price

$$$$

Best for

The Hohokam in an hour, the layover between a flight and a resort check-in

Season

All year

Hours

Monday, Friday and Saturday 9 AM to 4 PM, Thursday until 8 PM, Sunday noon to 4; closed Tuesday and Wednesday; shorter hours in July and August

Official site

phoenix.gov ↗

Occupied

About AD 450 to 1450

Platform mound

More than 20,000 cubic meters of fill

National Historic Landmark

1964

What it is

S’edav Va’aki is a Hohokam village in the middle of the city, with the airport’s runways to the south, the Loop 202 to the north and a light-rail station across the street. People lived here from about AD 450 to 1450, a thousand years, because this was the place on the north bank of the Salt River where the big canals took their water: the headgates of a system that ran more than sixteen miles toward what is now Glendale and irrigated the floodplain that became Phoenix. At the center of the village they built a platform mound, begun around AD 800 as two low rises and raised over centuries into more than 20,000 cubic meters of earth and caliche, with rooms and walled compounds on top. It is one of the largest the Hohokam ever made and the only one in the Valley you can walk onto.

The outdoor trail, about two thirds of a mile, loops over and around the mound, past a ballcourt, rebuilt pit houses and an adobe compound, and a garden of the crops the villagers grew. Inside, the galleries, rebuilt in a renovation that closed the museum for the summer of 2026, cover the archaeology of the site, the canal system and the contemporary Indigenous communities, the Akimel O’odham and Piipaash, who are the descendants of the people who lived here and whose name for the mound the museum took on March 23, 2023, when the City of Phoenix retired the old Spanish label Pueblo Grande.

Why leave Scottsdale for it

Because Scottsdale is built on Hohokam canals, and our South Scottsdale canals note keeps pointing here as the place to understand them. The Salt River community’s own Huhugam Ki Museum is the cultural side; this is the engineering, on the ground where it started. It is seventeen minutes from Old Town, cheap, and reachable from the airport by train, which makes it the one museum you can do on a layover.

The practical version

Seventeen minutes from Old Town, at 44th Street and Washington, with free parking. Open Monday, Friday and Saturday nine to four, Thursday until eight at a reduced evening rate, Sunday from noon; closed Tuesday and Wednesday, with shorter hours in July and August. Ninety minutes. Walk the trail first, in the morning.

When to go

October through April mornings for the trail, which is flat, unpaved and shadeless, and any time for the galleries. Thursday evenings until eight are the local’s visit: cheaper admission, no school groups, and the mound at dusk with the airport lights coming on behind it. December brings the museum’s Indian Market, the best day of the year here, with artists from the O’odham, Piipaash and other Southwestern nations selling work on the grounds; our buying Native American art note applies in full.

In July and August the museum keeps short hours and the trail is a morning-only proposition; do the galleries and skip the mound unless you are there at opening.

The visit, in order

  1. The trail, counter-clockwise. Up onto the platform mound first, for the view over the village site, the 202 and the airport; the interpretive signs explain what stood on top.
  2. The ballcourt. A sunken oval with earthen banks, one of the features that tie the Hohokam to the cultures of Mexico.
  3. The replica houses and the garden. A pit house of the early period and an adobe compound of the late one, with the corn, beans, squash and cotton the villagers grew.
  4. The galleries. The canal map is the exhibit to spend time on. Then the artifact galleries and the contemporary O’odham and Piipaash voices.
  5. The store. Good books on the Hohokam and work by Indigenous artists, priced fairly.

With kids

The museum lends exploration backpacks with activities for children, the trail is a loop with things to climb (the mound) and places to run (the ballcourt), and the whole thing fits inside a child’s attention span. It pairs with the Hall of Flame or the zoo for a Papago day.

The story

The Hohokam built the largest irrigation system in pre-Columbian North America along the Salt and Gila rivers, hundreds of miles of canals that watered tens of thousands of acres, and this village stood at the most important intake on the Salt’s north bank. From here the canals ran west and north across the floodplain; the longest from this headgate carried water more than sixteen miles. The village grew with the canals, and after about AD 1100, when Hohokam society reorganized around large villages with platform mounds and walled compounds, S’edav Va’aki became one of the biggest. Around 1450 it was abandoned, with the rest of the Hohokam world, in a collapse that archaeologists attribute to some mixture of floods, droughts, salted fields and social strain; the people did not vanish, and their descendants, the Akimel O’odham and Piipaash, live on the Salt River reservation along Scottsdale’s eastern edge and the Gila River community to the south. Our canal builders profile tells the human side.

Phoenix was founded in 1867 on the Hohokam canals, which the first Anglo farmers cleaned out and reused, and the mound sat in a field east of town for decades. In 1924 a landowner named Thomas Armstrong gave the mound and about five acres to the city, which bought ten more and called the place the Park of Four Waters. In 1929 Phoenix hired Odd S. Halseth as director and as the first city archaeologist in the United States, and the museum grew out of his excavations and his campaign to protect the site as the city grew around it. The Pueblo Grande Ruin and Irrigation Sites were declared a National Historic Landmark on July 19, 1964. The light rail arrived at the corner in 2008, the airport’s Sky Train connected to it, and on March 23, 2023, the city gave the museum its O’odham name. A renovation of the main gallery and the building systems closed it for about four months in 2026, and it reopened in September.

The Scottsdale connection

The Arizona Canal, the Crosscut and the ditch lines under South Scottsdale that our canals note traces are descendants of the system that began here, and the Salt River community that borders Scottsdale is the home of the descendants of the people who dug it. The Huhugam Ki Museum on the reservation and S’edav Va’aki are two halves of one story, twenty minutes apart.

Getting there

Scottsdale Road south into Papago Park, past the zoo to Van Buren Street, west to 44th Street and south to Washington; the museum is on the southeast corner with free parking. About seventeen minutes from Old Town. By transit, the light rail’s 44th Street and Washington station is across the street, and the PHX Sky Train from the airport terminals connects to it, which makes this the one museum in the Valley you can reach between a flight and a resort check-in.

The pages this one leans on: the area, the note, and the places inside Scottsdale it pairs with.

While you’re out in Papago Park & the Airport Corridor

The buttes on Scottsdale’s southern line hold the Desert Botanical Garden and the Phoenix Zoo, with a firefighting museum, a Hohokam platform mound and the Valley’s most talked-about brisket in the streets around them.

Also south of the city: Tempe · Chandler & Gilbert · South Mountain & Wild Horse Pass

The timeline

  1. 450

    A Hohokam settlement grows at the point where the Salt River's north-bank canals take their water; the village will be occupied for a thousand years.

  2. 800

    Two low circular mounds are begun that will grow, over centuries, into one of the largest platform mounds the Hohokam built.

  3. 1450

    The village is abandoned along with most of the Hohokam settlements of the Salt River valley.

  4. 1924

    Thomas Armstrong donates the mound and about five acres to the City of Phoenix; the city buys ten more and calls it the Park of Four Waters.

  5. 1929

    Phoenix hires Odd S. Halseth as director and as the first city archaeologist in the United States; the museum grows from his work.

  6. 1964

    The Pueblo Grande Ruin and Irrigation Sites are declared a National Historic Landmark on July 19.

  7. 2023

    On March 23 the Pueblo Grande Museum and Archaeological Park is renamed the S'edav Va'aki Museum, the O'odham name for the mound.

Questions people actually ask

How far is the S'edav Va'aki Museum from Scottsdale?

About seventeen minutes from Old Town: south on Scottsdale Road into Papago Park, past the zoo to Van Buren, west to 44th Street and south to Washington; the museum is on the southeast corner of 44th and Washington with free parking. The light rail's 44th Street and Washington station is across the street, and the Sky Train from the airport terminals connects to it, which makes this the one museum in the Valley you can reach from a layover.

Why was Pueblo Grande renamed?

Because the name was a Spanish description, big village, with no connection to the people who built the site. On March 23, 2023, the City of Phoenix renamed it S'edav Va'aki, the O'odham name for the platform mound, which translates roughly as the central platform mound. The Akimel O'odham and Piipaash of the Salt River community on Scottsdale's border are the descendants of the people who lived here.

What is a platform mound?

A raised earthen and caliche platform, built up in stages over centuries, with rooms and compounds on top, which the Hohokam constructed at their largest villages after about AD 1100. This one began around AD 800 as two small mounds and grew to more than 20,000 cubic meters of fill. Archaeologists debate whether it was elite housing, ceremonial space, an observatory or all three; the trail lets you walk onto it and decide.

How long does the visit take?

Ninety minutes: half an hour on the two-thirds-mile outdoor trail around the mound, the ballcourt and the replica houses, and an hour in the galleries. The trail is flat, unpaved and in full sun, so go in the morning from May to September.

How does it relate to Scottsdale's canals?

Directly. This village stood at the headgates where the Hohokam drew Salt River water into canals that ran for miles across what is now Phoenix, and the Arizona Canal and Crosscut Canal that run through Scottsdale follow the same engineering logic and, in places, Hohokam alignments. Our Hohokam canals of South Scottsdale note starts the story here.

Vernacular & LexiconHohokamAkimel O'odham and Piipaash (Pima and Maricopa)The 202CalichePapagoSRPMIC (the Community)The Salt RiverThe Arizona Canal

Facts checked: October 9, 2026 • Curated by the Scottsdale.tips editors • Hours, menus and admission change, and the drive time assumes no traffic. Confirm with the place before building a day around it.