How can I plan a memorable first trip to Costa Rica without rushing?

The entry rules are the easiest part. The US Department of State states that US citizens need no visa for stays of less than 180 days but must hold a return ticket, and that a passport must be valid for the period of the stay. British passport holders need an expiry date at least one day after the day they plan to leave the country. A yellow fever vaccination certificate is required of travelers arriving from certain countries in South America or Africa. Leaving by air carries a US$29 departure tax, which is usually already in the ticket price.

The hard part is distance measured in hours rather than miles. Costa Rica is small, but the central cordillera means the roads between its regions climb and switchback. Three bases over two weeks — one volcanic, one cloud forest, one coastal — is the shape that works, and the order matters less than the number of moves.

Build each base around published opening times rather than around daylight. Arenal Volcano National Park runs 8:00 to 16:00 and takes payment at the entrance by credit or debit card only, with no cash, and requires a passport or identity document. The Monteverde Cloud Forest Biological Reserve opens earlier and closes at the same hour, 7:00 to 16:00, every day of the year including holidays; it has no free days or hours, tickets can be bought online or on site with no advance purchase required, and the tourism board suggests allowing six to seven hours for a full hiking visit. Those two schedules alone determine four of your fourteen days.

Leave room for one property from the World Heritage list, of which Costa Rica has four — Cocos Island National Park, Área de Conservación Guanacaste, the Talamanca Range-La Amistad Reserves with La Amistad National Park, and the Precolumbian Chiefdom Settlements with Stone Spheres of the Diquís. Only one of those four needs a boat expedition rather than a car.

The drive from the Arenal lowlands up to Monteverde climbs out of warm, humid farmland into wind and cloud within a couple of hours, and the last stretch is unpaved and slow. Arriving in the dark is common and avoidable; arriving with enough light to see the ridge you have climbed onto is the better plan.

Monteverde's reserve takes roughly 100,000 visitors a year across 4,125 hectares owned by the Centro Científico Tropical, and the tourism board's own listing says the reserve is usually crowded and recommends arriving early, when the forest is most active. Because it opens at 7:00 — an hour before Arenal's park — the sequencing trick is to spend your cloud-forest mornings there and your volcano mornings at Arenal, rather than treating all park days as interchangeable. The reserve is not wheelchair accessible and has no first aid station, which is worth knowing a day in advance rather than at the gate.

• Days 1–4 — Arenal, with the park entered at 8:00 and the rest of the day in the lowlands around it.
• Days 5–9 — Monteverde, allowing one full six-to-seven-hour day inside the 4,125-hectare reserve and the rest for the surrounding valley.
• Days 10–14 — One coast, chosen and stayed on, rather than both.

On crime, the State Department's published advisory for Costa Rica sits at increased caution. Arenal's card-only gate means a dead terminal or a forgotten passport ends a park day. Monteverde sells no discounted or free entry days, so a tight budget cannot be timed around one. Mountain roads between regions are the real constraint on pace: they are slow in the December-to-April dry season and slower outside it.

The when-to-visit answer in this group fixes the season around Arenal; the places-and-experiences answer covers the World Heritage properties and private reserves worth adding to a second trip.