Julian to San Quintín, Mexico: Border Crossing, Route & Stops

By admin, 30 September, 2026

The Wayro route from Julian to San Quintín is 248 miles (399 km), about 5 h 15 min of driving without stops. The U.S.–Mexico border is at about mile 70 on this route, near the San Ysidro port of entry.

U.S. State Department travel advisory: Baja California — Level 3, Reconsider TravelAdvisory issued May 29, 2026; checked September 29, 2026. Baja California is the Mexican state that contains San Quintín. Check the full advisory for this state before you go.

What the State Department tells travelers on this route:

  • Baja California: “Travelers should remain on main highways and avoid remote locations.”
Santa Ysabel AsistenciaMuseum of Creation and Earth HistoryCabrillo National MonumentBorder Field State ParkMorelos ParkMisión Santo Tomás de AquinoMisión San Vicente FerrerU.S.–Mexico borderJulianSan Quintín
Route from Julian to San Quintín with the 7 stops listed below (blue dots) and the approximate U.S.–Mexico border crossing (red square).
Distance248 mi (399 km)
Driving time, no stops5 h 15 min
Main roads, in orderCA-78 → CA-67 → CA-125 → CA-54 → I-805 → MEX-1 → MEX-1D
Border crossingabout mile 70 of this route, California → Baja California (near the San Ysidro, CA port of entry)
Mexican states on the routeBaja California (Level 3)
Toll roadsMEX-1D
Fuel estimate (car at 25 mpg)about 9.9 gal; actual use varies by vehicle and traffic
Stops listed below7

Crossing into Mexico: what you need for San Quintín

PassportPassport book or passport card to enter Mexico by land
FMM entry permitRequired for this trip: San Quintín is well beyond the 12-mile (20 km) border zone where the permit is not needed
Temporary vehicle import permit (TIP)Not needed: Baja California is in Mexico's hassle-free zone for U.S. vehicles
Mexican auto insuranceRequired for all vehicles: buy a Mexican policy before you cross

Sources: U.S. State Department, Mexico travel information (updated August 11, 2026); permits are issued by Banjercito.

Crossing at San Ysidro

San Ysidro links San Diego with Tijuana where Interstate 5 ends at the border, just south of its junction with Interstate 805, and a federal fact sheet calls it the busiest land border crossing in the Western Hemisphere. It handles passenger vehicles, pedestrians and buses, with dedicated SENTRI lanes for pre-screened travelers.

Sources: [1]

What the drive from Julian to San Quintín is like

MEX-1 (127 mi) and MEX-1D (43 mi) carry about 69% of the 248 miles. The U.S. part of the drive runs through California for about 70 miles; after the border at San Ysidro you have about 178 miles left in Mexico. The Mexican leg uses MEX-1D, a toll highway (cuota). Of the 7 stops listed below, 3 are within a mile of the road.

The route from Julian to San Quintín, road by road

RoadRoute miles (from–to)Length, miState
CA-780–2424California
CA-6724–4521California
connecting roads45–505California
CA-12550–555California
CA-5455–605California
I-80560–688California
connecting roads68–713California, Baja California
MEX-171–8312Baja California
MEX-1D83–12643Baja California
MEX-1126–1359Baja California
connecting roads135–1361Baja California
local roads136–1415Baja California
MEX-1141–247106Baja California
local roads247–2481Baja California
  • Mile 70 of this route: California → Baja California (international border)

Stops between Julian and San Quintín

  • Right off the route (under 1 mile): Museum of Creation and Earth History (mile 43), Misión Santo Tomás de Aquino (mile 162), Misión San Vicente Ferrer (mile 185)
  • Nature and outdoors: Border Field State Park (mile 68), Morelos Park (mile 74)
  • Museums and history: Santa Ysabel Asistencia (mile 7), Museum of Creation and Earth History (mile 43), Cabrillo National Monument (mile 60), Misión Santo Tomás de Aquino (mile 162), Misión San Vicente Ferrer (mile 185)

Santa Ysabel Asistencia

Mile 7 · Museum · 1 mi from the route

At this mission outpost founded in 1818, a 1924 mission-style chapel still holds Mass, a small museum displays photographs and artifacts including clappers from the original bells, and a cemetery lies on the grounds.

Museum of Creation and Earth History

Mile 43 · Museum · 0.2 mi from the route

Now called the Creation and Earth History Museum, this Santee stop presents science and history from a young-earth biblical creation viewpoint, with exhibits such as a life-size tabernacle and a dinosaur discovery zone.

Cabrillo National Monument

Mile 60 · National monument · 10 mi from the route · side trip; actual detour depends on access roads

The monument tells the story of Juan Rodríguez Cabrillo, who in 1542 became the first European to set foot on what is now the U.S. West Coast. It sits at the southern tip of the Point Loma peninsula.

Border Field State Park

Mile 68 · State park · 5 mi from the route · side trip; actual detour depends on access roads

In California's far southwestern corner, this park lies within the Tijuana River estuary reserve, with dunes, salt marsh, a beach, and trails for hiking, horseback riding, and birding; Monument Mesa looks out over the U.S.–Mexico border.

Morelos Park

Mile 74 · Urban park · 4 mi from the route · side trip; actual detour depends on access roads

Families come to this Tijuana park for its central lake with ducks, fish, and turtles, shaded walking paths, Oriental and Arab-style gardens, and plenty of rides and play areas for kids.

Misión Santo Tomás de Aquino

Mile 162 · Spanish mission · 0.1 mi from the route

Dominican missionaries founded Misión Santo Tomás de Aquino in Baja California in 1791 and named it for Saint Thomas Aquinas, in the valley town of Santo Tomás south of Ensenada.

Misión San Vicente Ferrer

Mile 185 · Spanish mission · 0.5 mi from the route

San Vicente, about 55 miles south of Ensenada, is the site of a Dominican mission founded in 1780; the town's community museum on the central park displays objects from the mission, Pai Pai artifacts, and mammoth fossils.

When you get to San Quintín

On Baja California's Pacific coast, roughly three hours south of Ensenada on Highway 1, San Quintín spreads across a farming valley beside a sheltered bay ringed by extinct volcanic cones. The area is known for sport fishing, oyster and abalone farms, and coastal wetlands where thousands of brant geese from Alaska and Canada spend the winter.

  • Oyster farms: Shellfish farms in the bay raise several species, and you can visit the oyster growers and taste the catch right where it comes out of the water. source
  • Volcanic cones: Extinct basaltic volcanoes such as Monte Ceniza, Punta Mazo and Riverol rise above the coastline and frame the bay. source
  • San Quintín wetlands: The bay's wetlands shelter migratory birds and marine life, and in winter they host thousands of brant geese that fly down from Alaska and Canada. source

More drives to San Quintín

From Julian to other places in Mexico

All routes to San Quintín, border crossings and permits in one place: Driving to San Quintín, Mexico from the U.S.

Frequently asked questions

How long is the drive from Julian to San Quintín?

About 5 h 15 min of driving without stops, over 248 miles.

How far is San Quintín from Julian by car?

About 248 miles (399 km) on the Wayro route. Other map services may show a few miles more or less, depending on where they start and end in each city.

Where does the Julian to San Quintín drive cross into Mexico?

At about mile 70 of this route, from California into Baja California, near the San Ysidro port of entry.

Do I need a permit to drive my car from Julian to San Quintín?

No vehicle permit is needed. Baja California is in Mexico's hassle-free zone for U.S. vehicles. You also need Mexican auto insurance and a passport book or card. An FMM entry permit is required too.

Is it safe to drive from Julian to San Quintín?

The U.S. State Department rates Baja California Level 3: Reconsider Travel (advisory issued May 29, 2026). Read the full advisory before you go.

What roads does the drive from Julian to San Quintín use?

In order: CA-78, CA-67, CA-125, CA-54, I-805, MEX-1 and MEX-1D. The road-by-road table above shows the route miles and states for each one.

What are good stops between Julian and San Quintín?

Closest to the road: Museum of Creation and Earth History (museum, mile 43, 0.2 mi from the route); Misión Santo Tomás de Aquino (spanish mission, mile 162, 0.1 mi from the route); Misión San Vicente Ferrer (spanish mission, mile 185, 0.5 mi from the route). All stops are described above.

How we put this guide together

Wayro calculates the route from OpenStreetMap road data; mile numbers are positions along this route, not highway mile markers, and "from the route" distances are straight-line, so the real detour depends on access roads. Stops are chosen from parks, natural sites, museums, historic sites and attractions close to the route (roughly 2 to 7 miles depending on the type, farther for World Heritage sites): at least one strong stop for each stretch of the drive, then the best-known places nearest the road, with no more than five of one type, up to nine in all. Places that are closed, private or not open to visitors are removed. Place and city descriptions are written by the Wayro team from official park, museum, tourism and government websites and other published sources. Safety levels and entry rules were checked against the U.S. Department of State on September 29, 2026. Conditions change, so check the linked sources before you travel.

Route data © OpenStreetMap contributors.