Guanacaste is where most of Costa Rica’s Pacific-coast all-inclusive resorts sit, and it has an advantage over many beach destinations: several national parks are within day-trip distance of the coast. That makes it easy to break up a resort week with something that is not another pool day. The catch is that Costa Rica’s parks run on their own rules for opening days, fees and tickets, and those rules are easy to miss when you plan from a resort desk.
This guide sticks to what the official park pages and the national tourism board publish. If you are still deciding where to stay, read our Guanacaste destination page, the guide to what differs between Costa Rica all-inclusives and the list of all-inclusive resorts in Costa Rica. Two properties we document there are Hotel Riu Guanacaste and Occidental Papagayo.
Rincon de la Vieja National Park
This is the headline park for the region. It covers about 14,090 hectares, roughly 25 kilometres northeast of Liberia, and it is split into two sections, Las Pailas and Santa Maria. Guides commonly describe volcanic features, hiking trails, mud pots and waterfalls as its main draws.
The published details are worth reading before you commit to a date:
- Las Pailas sector: open Tuesday to Sunday and closed on Mondays.
- Santa Maria sector: open seven days a week.
- Foreign adult admission: 15 US dollars in both sectors, and 5 US dollars for children aged 2 to 12, as listed by Visit Costa Rica.
- Hours: roughly 7 or 8 in the morning until 3 or 4 in the afternoon, depending on the sector and the source you read. Sources disagree by an hour on some listings, so confirm on the day you plan to go.
The Monday closure at Las Pailas is the detail most likely to wreck a plan. A resort week that has one free day, and that day is a Monday, will not fit that sector.
The online ticket rule
Costa Rica’s national park system is run by SINAC, the national system of conservation areas. Reporting summarising SINAC’s policy says that since 1 August 2023 park tickets can no longer be bought at the entrance and must be purchased online through SINAC instead. We could not load the SINAC page directly when we prepared this guide, so treat this as something to confirm. Check the Rincon de la Vieja page on the SINAC site before you travel, and ask your resort or tour operator whether the ticket is included in a booked excursion.
Palo Verde, Santa Rosa and Guanacaste National Park
Visit Costa Rica also lists three other parks in the region:
- Palo Verde National Park: open seven days a week, 12 US dollars for foreign adults and 5 for children aged 2 to 12.
- Santa Rosa National Park: open seven days a week, 15 US dollars for foreign adults and 5 for children.
- Guanacaste National Park: visits must be coordinated through the Santa Rosa sector, with the same 15 and 5 US dollar rates.
The listing does not describe what each park is best for, so use it as an admission and access reference rather than a recommendation. Palo Verde is commonly associated with wetlands and birdlife and Santa Rosa with dry forest and history, but we have not verified current trail or wildlife conditions, and we have not visited.
Guided or independent
Resort excursion desks will sell you a guided day that bundles transport, entrance and lunch. That is usually the easier option if you do not have a car, since the parks are not next to the coastal resorts. Independent visits cost less in principle but need you to handle tickets, transport and the opening-day rules yourself. Whichever you choose, ask three questions:
- Is the park entrance included in the price, and was the ticket bought through SINAC?
- Which sector of the park does the tour visit, and is that sector open on the day?
- What is the cancellation policy if the weather or park conditions change?
That third question links to a broader habit worth building. Our guide to reading a cancellation and refund policy applies to excursions as much as rooms.
What we have and have not verified
Admission figures and opening days come from Visit Costa Rica’s admission page, which carries no publication date, so treat the prices as a guide and not a quote. The park size and location come from a national tourism summary of Rincon de la Vieja. We have not verified transport times from any specific resort, guided tour prices or current trail conditions, and we do not name tour operators. For an all-inclusive week, the best use of a park day is one you can confirm in writing with the resort before you arrive.