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Borderfield State Park Group Outing

Border Field State Park
Located at the Very Most Southwest Corner of the United States Pacific Coast.


You only have till 10 tonight to sign up for the trip to Border Field State Park. Not open to the public except a couple days a week and only when the weather has been dry.

No Waiting list there are so far 6 who have signed up to attend from all my groups, so jump in don't be shy, do something different ~ head for the far SW corner of the USA's Coastal waters.

If you are new to the area, or if you just haven’t ventured this far south, you will have a unique experience where these two countries meet. It is interesting and educational but more than that, it is a delightful way to spend an active or relaxing day surrounded by the breeze and the beauty of the sea. Border Field is located within the Tijuana River National Estuarine Research Reserve, an important wildlife habitat. The sand dunes and salt marshes give refuge to critically threatened and endangered birds such as the Western Snowy Plover, the California Least Tern, and the Light-footed Clapper Rail.

The park has a number of trails which can be used for horseback riding as well as walking. It is one of the few parks that permit horseback riding along the beach. Horses can be rented at a ranch close by which has access to the park. You may also bring your own horses; there are areas for staging (see Horseback Riding at Border Field State Park).

The park provides restrooms, picnic areas, barbecues, horse corrals, and interpretive displays. Visitors enjoy beach combing, hiking, horseback riding, and bird watching. The Park does not recommend swimming or wading, due to hazardous conditions, such as inshore holes, rip currents, and the lack of lifeguard service within the Park.

The Treaty of Guadalupe Hidalgo was concluded on February 2, 1848, officially ending the U.S./Mexico War. In 1850, delegations from both countries began surveying the boundary at this location. Border Monument number 258 can be viewed from Monument Mesa, however there is no close access because it is now behind two border fences.


Sitting high on a bluff on the border of the United States and Mexico is Monument Mesa. A monument dividing the two countries straddles the boundary line. This is the southwestern corner of the United States! With the construction of the triple border fence, there is no close access to the border monument as it is now behind two fences. Through the fences you can see the monument and Mexico’s beach neighborhood of Las Playas de Tijuana where a bull ring is still standing by the sea as a picturesque companion to an old lighthouse. Although there is usually no swimming on the U.S. side, you may observe families playing in the water in Las Playas.

Picnic tables with barbeque grills, restrooms, and water fountains make it convenient for your visit to Monument Mesa. The view from the top of the mesa is spectacular, looking north and south along the coast and also across the sea to the Coronado Islands. It is a good vantage point for searching out whales or dolphins frolicking at sea. Bring binoculars. They will also be helpful for the sighting of birds like the occasional Golden Eagle. Mexican Magpie Jays frequent the entrance to the park and you may be lucky enough to see a Greater Roadrunner. Although an occasional bobcat has been sighted in the area, the chances of seeing one are rare. Please note there may be rattlesnakes, but they are usually not anxious to be around people. For your safety, stay on the trails if you are hiking.

Interesting photographs & documentary by Photographer Jerry Peek located at:


Click here

Entrance Fee:

$5.00 per vehicle; therefore, carpooling is strongly suggested. If you are interested in offering to drive or be a passenger for a carpool please indicate this in the comment section below. Meeting location will vary depending on driver, but will be in close vicinity to the area. Carpoolers will also have priority from the wait list.

Rules and Regulations:

The following rules and regulations are for your own safety and to protect the plants and animals that live in this Reserve.

Dogs (only on leash) are allowed only atop the Monument Mesa picnic area.

No harassing or disturbing wild animals.
This is prohibited by state and federal laws.

No collecting.
Shells, rocks, wood, plants or animals. As a State Park, all features are protected. Please don’t dig, collect, break or in anyway disturb the natural and historic features found in Border Field State Park. Help us save them for future generations to enjoy, anyhow, its against the law.


The park is located 15 miles south of Downtown San Diego.
Latitude/Longitude:[masked] / [masked]

From Interstate 5, there are 2 routes
Exit Dairy Mart Road (exit #2)
Head Southwest on Dairy Mart Road. Dairy Mart Road will curve right onto Monument Road. Turn right (West) on Monument Road until you reach the park entrance.
(For Southbound traffic) Exit Coronado Avenue (exit #4) in Imperial Beach.
Go straight from the off-ramp onto Hollister Street. Continue down Hollister until you reach Monument Road. Turn right (West) on Monument Road until you reach the park entrance.

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  • Sheila Newbery Redheaded P.

    The place was cooler than Chula Vista, relaxing and full of surprises.

    September 15, 2012

  • Carl M.

    Thanks Sheila. As usual, a great time. Thanks for all the effort you put into these outings. This one was unique.


    1 · September 15, 2012

    • Sheila Newbery Redheaded P.

      It certainly was a pleasure being with you and ? I forgot her name. She is so sweet your a lucky man to have her. Her coat was so soft I wanted to lay down with her and cuddle. ;-)

      September 15, 2012

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