The Trip That Founded San Francisco Camped 40 Miles From Tucson
Historic Canoa Ranch near Green Valley is free, open Tuesday through Saturday, and was nearly a 300-acre subdivision before a 1997 Pima County bond vote.
Pima County owns 4,800 acres of a Spanish land grant off the Canoa Road interchange, keeps the restored adobe headquarters open five days a week, and charges nothing to walk through it.
On October 23, 1775, about 240 colonists rode out of Tubac behind Juan Bautista de Anza on the expedition that ended in the founding of San Francisco. Their first camp was a place on the Santa Cruz called La Canoa — the watering trough — roughly 40 miles south of downtown Tucson. Pima County owns that ground now. It is open Tuesday through Saturday, it costs nothing, and most of the traffic on Interstate 19 goes past without knowing it is there.
- 4,800 acres
- The Raúl M. Grijalva Canoa Ranch Conservation Park, carved from the original land grant
- $0
- Admission to the heritage area, open Tuesday through Saturday
- 260+
- Bird species recorded at the park, more than 200 of them in 2023 alone
- $250
- What the Ortiz brothers paid Spain for the grant in 1820
It Was Almost 300 Acres of Houses
Fairfield Homes bought the ranch property in 1995, and Pima County approved development on 300 acres of it. Two years later county voters approved $2 million in bonds to buy the ranch instead, plus $200,000 to stabilize what was still standing. The county closed in 2001 and has since put more than $5 million of bond money into restoring most of the eight buildings. Everything below exists because that measure passed.
There Are Two Canoa Ranches
This trips people up constantly. Canoa Ranch is also a 480-acre master-planned community on Green Valley's west side, off South Camino del Sol, built around a public golf course from 2000 onward. Historic Canoa Ranch is a separate public property across the freeway, at 5375 S. I-19 Frontage Road, off the Canoa Road interchange. The subdivision borrowed the name. The land grant still has it.
A $250 Grant and a 1936 Adobe
Spain issued the 17,000-acre San Ignacio de la Canoa grant to brothers Tomás and Ignacio Ortiz in 1820 for $250. Mexican independence the following year put them into a long process to confirm what they had bought, and the Gadsden Purchase of 1853 reopened the question under a third government. The expedition diary had already described the spot plainly: water was usually there, if you dug in the sand for it.
Levi Manning assembled the modern ranch and named the 30-acre headquarters compound Hacienda de la Canoa in the 1920s. The main house — about 4,700 square feet of adobe by Tucson architect John Smith — was finished in 1936 for Howell Manning Sr. and his wife Evelyn. The property is on the National Register of Historic Places, and the Manning Senior House is the one major building still waiting on restoration money.
What You Can Actually Do There
- Walk It Yourself (No admission fee, Tue–Sat, 8–3, QR self-guided tour): Open Tuesday through Saturday, 8 a.m. to 3 p.m., with no admission fee. Information boards near each building carry QR codes that pull up the self-guided tour, so you can show up cold and still know what you are looking at.
- Take the Guided Version (30–90 minutes, Groups of 8–15, Registration required): Pima County runs walking tours of the headquarters buildings and corrals, with rotating exhibits about the people who worked here. A typical tour is 8 to 15 adults over 30 to 90 minutes; listings have carried a $5 fee with registration.
- Bring Binoculars (260+ species, Canoa Lake, Cienega & garden): More than 260 bird species have been recorded here. The draw is habitat variety in a small area — a large pond, a cienega, a pollinator garden and old agricultural fields — which together pull in waterfowl, shorebirds, raptors and sparrows.
- Pick Up the Anza Trail (Santa Cruz west bank, Elephant Head Road): The Juan Bautista de Anza National Historic Trail runs the west bank of the Santa Cruz riverbed from Elephant Head Road up to Canoa Ranch, which makes the ranch a trailhead on the route the 1775 expedition walked.
- Look at the Gardens (Green Valley Gardeners, Orchard & landscaping): Green Valley Gardeners volunteers partnered with the county to re-establish the gardens, orchard and landscaping a working ranch would have had, and maintain them season by season.
Why Late August
Monsoon rain is what makes the place look like itself: the pond and the cienega fill, and the mesquite greens up. The county's own Canoa Ranch updates point at fall as the season to come out if you have skipped the ranch all summer, and migration is arriving. Go early — the gate closes at 3 p.m., and morning light on white adobe beats noon.
Quick reference (August 24, 2026): Historic Canoa Ranch, 5375 S. I-19 Frontage Road, Green Valley, in the Raúl M. Grijalva Canoa Ranch Conservation Park off the Canoa Road interchange. Heritage area open Tuesday through Saturday, 8 a.m. to 3 p.m.; no admission fee; guided tours by advance registration. Hours, fees and tour availability change, and published listings disagree — confirm with Pima County Natural Resources, Parks and Recreation before you drive down.
An Amenity No Listing Mentions
Nothing in a property listing tells you there is a National Register ranch with a lake and a 260-bird list at the interchange down the road. For anyone weighing the far south end of the metro — Green Valley, Sahuarita, the I-19 corridor — that is part of what a weekend there looks like. It costs nothing, it is open five days a week, and it predates the state.
Sources
Juan Bautista de Anza National Historic Trail Coalition — "The 1775-1776 Expedition" — anzahistorictrail.org/expedition-1775 — accessed August 24, 2026 (for the October 23, 1775 departure from Tubac and the roughly 240 colonists who made up the expedition).
Web de Anza, University of Oregon — expedition diary transcriptions — webdeanza.org — accessed August 24, 2026 (for La Canoa as the first halt after Tubac, four hours' travel from the presidio, and the diary's note that water could usually be had there by digging in the sand).
Arizona Daily Star / tucson.com — "Neto's Tucson: Restoring Canoa Ranch's vaquero history" — tucson.com/news/local/article_65fd1892-d396-5f3b-8817-1fd7fc2f2e3f.html — accessed August 24, 2026 (for Pima County's 2001 acquisition using $2 million in voter-approved 1997 bonds, the more than $5 million since invested in restoring most of the eight structures, the 4,800-acre park with 30 acres of ranch buildings, and the county's living-museum plan).
Green Valley News — "From potential subdivision to historical site, county continues to preserve and improve Canoa Ranch" — gvnews.com/news/from-potential-subdivision-to-historical-site-county-continues-to-preserve-and-improve-canoa-ranch/article_b32a5744-4712-11ea-b953-2f6ba0c36e86.html — accessed August 24, 2026 (for the county's continuing preservation and improvement program at the ranch).
Green Valley Recreation Historical Club — "The History of Canoa Ranch" — gvrhc.org/Library/CanoaRanch.pdf — accessed August 24, 2026 (for Fairfield Homes' 1995 purchase of the property, Pima County's approval of development on 300 acres, and the 1997 bond measure of $2 million to buy the ranch plus $200,000 to rehabilitate structures).
Arizona Archaeological and Historical Society — "The Rehabilitation of Historic Canoa Ranch" — aahs1916.org/2014/08/the-rehabilitation-of-historic-canoa-ranch — accessed August 24, 2026 (for Hacienda de la Canoa as the name Levi Manning gave the 30-acre headquarters in the 1920s, the roughly 4,700-square-foot adobe house designed by Tucson architect John Smith in 1935 and completed in 1936 for Howell Manning Sr. and his second wife Evelyn, and the ranch's listing on the National Register of Historic Places as a rural historic landscape).
True West Magazine — "The Canoa Land Grant Ranch" — truewestmagazine.com/article/the-canoa-land-grant-ranch — accessed August 24, 2026 (for the 17,000-acre San Ignacio de la Canoa grant issued by Spain in 1820 to brothers Tomás and Ignacio Ortiz, the $250 they paid for it, the confirmation process that followed Mexican independence in 1821, and the claim's reopening after the 1853 Gadsden Purchase).
Pima County Natural Resources, Parks and Recreation — "Historic Canoa Ranch" — pima.gov/1253/Historic-Canoa-Ranch — accessed August 24, 2026 (for the 4,800-acre Raúl M. Grijalva Canoa Ranch Conservation Park, the address at 5375 S. I-19 Frontage Road in Green Valley, the heritage area's Tuesday-through-Saturday 8 a.m. to 3 p.m. hours, the absence of an admission fee, the QR-code self-guided tour, and the walking-tour format of 8 to 15 adults over 30 to 90 minutes with a $5 fee and online registration).
Friends of Canoa Heritage Foundation — "About Us" — visitcanoa.com/about-us — accessed August 24, 2026 (for the ongoing effort to raise funds to restore the Manning Senior House and complete the living museum, and for the restored Canoa Lake and the public's daily access along the Anza Trail).
Pima County — "Birders are atwitter over recent finds at Pima County's Historic Canoa Ranch" — content.govdelivery.com/accounts/AZPIMA/bulletins/261debb — accessed August 24, 2026 (for the more than 200 bird species seen or heard at the park in 2023).
Birding Hotspots — "Canoa Ranch Conservation Park" — birdinghotspots.org/hotspot/L1115897 — accessed August 24, 2026 (for the more than 260 species recorded at the site and the mix of pond, cienega, pollinator garden and agricultural habitat that draws waterfowl, shorebirds, raptors and sparrows).
Pima County — "The September 2025 Roundup from Historic Canoa Ranch" — content.govdelivery.com/accounts/AZPIMA/bulletins/3f3e137 — accessed August 24, 2026 (for county staff describing fall as the season to visit if you have not been out to the pond, cienega and historic property all summer).
Green Valley Gardeners — "Historic Canoa Ranch Garden" — greenvalleygardeners.com/canoa-garden — accessed August 24, 2026 (for the volunteer partnership with Pima County that re-established the gardens, orchard and landscaping at the ranch and maintains them through the seasons).
Santa Cruz Valley National Heritage Area — "Anza Trail Hike at Historic Canoa Ranch" — santacruzheritage.org — accessed August 24, 2026 (for the Juan Bautista de Anza National Historic Trail following the west bank of the Santa Cruz riverbed from Elephant Head Road to Canoa Ranch).
All details are current as of August 24, 2026; hours, fees, tour schedules and site access change, and published listings for this property disagree with one another, so confirm with Pima County Natural Resources, Parks and Recreation before relying on any single figure. This post is for informational purposes only and is not an offer to sell or a solicitation of an offer to purchase real estate. Kyle Berglund and Tierra Antigua Realty fully support and comply with the Fair Housing Act and the Equal Opportunity Act.
Topics
- Hidden Gems
- Canoa Ranch
- Green Valley
- Sahuarita
- Pima County
- Anza Trail
- Santa Cruz Valley
- Birding
- Day Trip
- Tucson