Guayabo National Monument: An Ancient Pre-Columbian City

Set on the jungle-rich slopes of the Turrialba Volcano is one of Costa Rica’s most important archaeological sites, the Guayabo National Monument. Thought to have been first inhabited more than 3,000 years ago, these historic ruins make up the largest pre-Columbian city ever discovered in Costa Rica. This ancient civilization is even believed to have been home to nearly 10,000 people during its prime around AD 800. Whether you’re planning to see this historic sight on a day trip from San José or are staying in the nearby city of Turrialba, this post will give you everything you need to plan your visit.


Guayabo National Monument | Two Weeks in Costa Rica

The History of Guayabo National Monument

When a professor from Costa Rica’s National Museum examined Guayabo’s first artifacts in the late 1800s, he thought that the site was little more than an ancient cemetery. It would take almost another 100 years for Guayabo’s true archaeological significance to unfold. That discovery was made in 1968 by Carlos Aguilar Piedra, an archeologist from the University of Costa Rica. He stumbled upon some stone foundations among the thick jungle and began to selectively clear and excavate. The magnitude of the site was soon realized, as 43 stone foundations, three aqueducts, two major roadways, dozens of smaller paths, and some stone tombs were unearthed.

These remains were determined to be from an ancient civilization that inhabited the region from 1000 BC until AD 1400. The findings revealed a lost culture with advanced development in civil engineering, architecture, and urbanism. Unlike other pre-Columbian cities and cultures that were documented by early explorers, no record of this group was ever mentioned in journals, and the reason for its demise is still unknown.


Guayabo Stone Mounds | Two Weeks in Costa Rica
Stone foundation and steps from what was once the largest building. This area was thought to be the cultural center of the city.

What You’ll See at Guayabo National Monument

Although not as grand as other well-known archeological sites in the Americas like Machu Picchu in Peru, Guayabo is still impressive in its own right, especially since so little is known about Costa Rica’s pre-Columbian past.

The Artifacts

Along Guayabo National Monument’s nicely maintained trails, you’ll come to several archeological attractions. Be forewarned that the trails are sectioned off from the artifacts with railings so you can only see things from afar, but you can still get a decent look. Here are some of the most prominent features:

A Series of Stone Foundations and Steps

These served as the foundations for homes and other buildings (ruins pictured above). Although all that remains today are the stones, it is believed that sheltered structures were constructed on top of these platforms using wooden posts and thatched roofs. A model of the thatched roof buildings has been recreated near the ranger station to give you an idea of what they might have looked like.


Guayabo Thatched Roof Homes | Two Weeks in Costa Rica


Cobblestone Walkways and Roads

These paved avenues connected the main areas and buildings. They’re pitched and elevated for drainage, which was important for such a wet area, and show that the people were skilled in engineering and urban planning. Aerial analysis shows that some of the roadways stretch up to 70 km (44 miles), though much of them remain hidden by jungle. A viewpoint off the Los Montículos trail lets you see how the road connected to the structures, and is the best way to see how the site all ties together (see cover photo above).


A system of open and closed aqueducts, including storage tanks, can be observed along the trail. Some of these waterways are still functioning today and bubbling with clean spring water. Interestingly, analysis shows that the ancient people who inhabited Guayabo chose the site carefully because of its clean water source. The fact that some of these systems are still working today further demonstrates how skilled the people of Guayabo were in engineering.


Guayabo Acueduct | Two Weeks in Costa Rica



Stone tombs can be found right next to the trail and are open (and empty) so that you can see down inside them. Examination of several burial sites in the area show that the techniques used to entomb the dead changed over time. This suggests that the culture was advancing or changing as time progressed.


Guayabo Tombs | Two Weeks in Costa Rica


Petroglyphs and Stone Carvings

A few stone carvings are along the trails, while others have been taken to museums in San José. One that still remains at Guayabo depicts a lizard on one side and a jaguar on the other. Each side of this stone is said to have been carved by a different artist using different techniques, and may have symbolized a cultural bridge between the settlements that once existed to the north and south.


Monolith Carving at Guayabo | Two Weeks in Costa Rica


Tip: Although there are informative signs along the trails, we recommend hiring a guide. This is one instance where a guide really adds value and can teach you more about what you are seeing so that you get the most out of your visit. The local association (U-Sure) offers 1.5 hr. tours starting at just $15 (total) for a group of 1-3.


Birds and Wildlife

Even if you’re not that interested in the archaeological aspects of the site, Guayabo is still a nice place to walk around and a prime spot for birding. The trails pass through beautiful, lush jungle, and there are lots of birds and other wildlife to see. During our visit, we saw birds like the Keel-billed Toucan, Collared Aracari, Gray-headed Chachalaca, and a lot of insects too, like leaf-cutter and army ants, butterflies, and some giant grasshoppers.

Planning Your Visit to Guayabo National Monument

Allow about 1.5 hours for a leisurely walk through the park and to see all the artifacts. Some people may need less time, as the trails are fairly flat and easy (but do have some stairs). The drive to Guayabo from San José is around 2-2.5 hours so the trip can easily be made in one day. If you happen to have a free day in your itinerary and want to stay overnight, the area is beautiful, with rolling green hills, coffee and farm fields, and the nearby Turrialba and Irazú Volcanoes. See our recommendations below for hotel options in the area.

What to Wear/Bring

  • Closed-toe Shoes: Required by park officials because of the many biting/stinging insects and occasional snakes (it is the jungle after all). We actually encountered a lot of ants crossing the trail on our visit, so were very happy to have our hiking boots.
  • Insect Repellant: Some of the trails are shaded and have a lot of mosquitos (especially in the rainy season, May through November).
  • Water/snacks: Support the locals by buying snacks and light refreshments from the vendors right outside the park entrance. Otherwise, be sure to stock up in advance. Aside from a couple of small restaurants and a mini-grocery store (south of the park), there is not much around once you get out of Santa Cruz/Turrialba. For those packing a lunch, the park has some picnic tables across the street from the main office near the bathroom and small gift shop.


Guayabo National Monument is open daily, 8:00 a.m. to 3:30 p.m.


Admission: $6 non-residents (₡1000 residents)


Option 1: From San José, take Route 2 to the city of Cartago. In Cartago, take Route 10 (Ave Central) through the city going east. At Nuestra Señora de los Ángeles (a large, well-known cathedral), go right, following Route 10 toward Paraíso and continuing to Turrialba. In Turrialba, take Calle 2 north and cross a bridge (over the Río Turrialba). After you cross the bridge, take your first right and follow Route 415 (unmarked), which eventually turns into the Radial Guayabo. This road will bring you up the hill to the park entrance. The last 3 km (1.8 miles) are rough dirt and best accessed with a four-wheel drive, but cars do drive it. (Approximate drive time from San José is 2 hrs. 20 min.)

Option 2 (if you have a 4×4 vehicle): In Cartago, go north of Nuestra Señora de los Ángeles and connect with Route 219 to Route 230. Follow Route 230 (paved) all the way to the town of Santa Cruz (north of Turrialba). Once you pass the church in Santa Cruz, look for a road on the left. Take this road (4×4 recommended for this stretch) 10 km (6 miles), following signs for the National Monument. (Approximate drive time from San José is 2 hrs.)

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Hotels Near Guayabo National Monument

Located in Santa Cruz de Turrialba, the Guayabo Lodge ($75-140/night) is only 10 km (6 miles) from the national monument (by 4×4) and has outstanding views of the nearby Turrialba Volcano and surrounding mountains. Similarly, La Cascada Bed and Breakfast ($65-90/night) is only 13 km (8 miles) from the monument entrance (by 4×4) and offers sweeping mountain and valley views. For those without four-wheel drive, the road to the monument from Santa Cruz may be passable with a regular car (especially in the dry season), but be sure to inquire with your hotel. 


Guayabo Lodge, Turrialba, Costa Rica | Two Weeks in Costa Rica
Guayabo Lodge, located at the foothills of Turrialba Volcano. Photo Credit: Guayabo Lodge

Have you seen Costa Rica’s most prized archeological site or have questions about planning your visit? Leave us a comment below.



  1. As a history nerd, Guayabo was one of those places I so wanted to visit during my semester in CR but never did. Those petroglyphs look particularly fascinating. And as my visit to Peru showed me, sometimes its the lesser known ruins that are the most interesting to visit and learn about 🙂

    1. Julie, you’ll have to come back and visit. Knowing some of the history of a smaller place like Guayabo makes it much more impressive as you walk through. Hope you make it soon!

  2. I don’t suppose there’s a bus that goes here? And if there is, I don’t suppose you’d recommend taking it?

    1. Hi Trent, Not sure how close it gets you to the park, but there is a bus from Turrialba to Guayabo de Turrialba, where the park is located. It’s about a 3 hr trip from San Jose. Here’s a link to a website you can use for bus times: Just make sure to tell the driver when you get on the bus that you want to get let off at the park.

    2. Hi Trent there is a bus from Turrialba to Guayabo National Monument and the cost is 450 colones.

      This is the schedule:
      Turrialba Guayabo Monday through Saturday at 11:15 am and returning at 4:30 pm to Turrialba.
      Sunday Turrialba to Guava leaves at 9:00 am and returns at 12:45 pm and 4:00 pm .

      Admission is $ 5 per person and additionally recommended to know the place is the option to hire a local guide with the Association Usure that can be booked during office hours at ( 506 ) 85341063

      1. Thank you so much. We’re having a great time but are struggling to figure out when and where buses travel. Broke down and rented a vehicle for a few days, but with the five kids, it gets expensive. Thanks so much! If we make it there, I’ll post a message.

  3. Hello, I am doing an assignment on the area and I wondered if anybody knew how the site was actually dated ( what method ).

  4. I passed by your site and found all this wonderful information about Guayabo National Monument. I am an English teacher in the region of Turrialba and I think I will be using some of this info for a specific project of mine. Therefore, I am asking you for permission to do that!

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