Tour Operators

Pozo Azul. This working horse ranch and dairy farm, 17 km (11 miles) southwest of Puerto Viejo, offers a variety of nature-themed excursions. The canopy tour ($58) has 12 ziplines, ranging in height from 60 to 90 feet. Horseback excursions for all experience levels take you through the area around La Virgen. A half-day tour is $58. If you're an experienced rider, check out the multiday tours, too. A guided 90-foot river canyon rappelling descent is $50. La Virgen de Sarapiquí, Puerto Viejo de Sarapiquí, Heredia, 41002. 2438–2616; 877/810–6903; www.pozoazul.com.

Hotel Gavilán Río Sarapiquí. The hotel runs wildlife-watching and birding tours from its site on the river near Puerto Viejo de Sarapiquí. 700 m north of Comando Atlántico (naval command), Puerto Viejo de Sarapiquí, Heredia, 41001. 2766–6743; 2234–9507; www.gavilanlodge.com. From $49.