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Climate & Location




The annual mean temperature is 81°F (27°C), with a maximum of 99°F (37°C) during the dry season. Palo Verde is classified as tropical dry forest, with an annual mean precipitation of 1500-2000 mm, distributed between June and November. Dry season months from December to April. The rainy season begins in May and lasts until the end of November.







Parque Nacional Palo Verde, Guanacaste, Costa Rica. Distance from San José: 230 km; 4.5 hours.

Within the Palo Verde National Park on the Pacific slopes of Guanacaste Province in northwestern Costa Rica (10° 21' N, 85° 21 W). The 20,000-hectare park has seasonally dry forest on limestone outcrops and extensive wetland vegetation bordering the Tempisque River that flows into the Gulf of Nicoya.



Getting there


Palo Verde Biological Station is located in the Province of Guanacaste, 1 hour southwest of Bagaces on an unpaved road (28 km, 17 miles), from San José, it is 4.5 hours, from Puntarenas, 3 hours, and from Liberia 1.5 hours. To get there, take Route 1 (Carretera Interamericana) north from San José (follow signs towards Nicaragua) to Bagaces. Once you arrive at Bagaces, go southwest on the unpaved road opposite to the gas station. The gravel road is rough and requires slow travel. You will encounter several forks in the road, follow signs.


Click here to see a large view of the map.



San José Office

Station Phones

Tel. + (506) 2524-0607

Tel. + (506) 2661-4717

Fax. + (506) 2524-0608

Fax. + (506) 2661-4712


For information and reservations: visit.ots @ tropicalstudies.org


Biological Stations:
La Selva
Las Cruces
Palo Verde

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Contact: visit.ots @ tropicalstudies.org| Costa Rica (506) 2524-0607 | Fax (506) 2524-0608 | United States (919) 684 5774 | Fax (919) 684 5661