5 Days in Costa Rica with Tweens

Land at Juan Santamaría International (SJO), collect rental car with 4WD (non-negotiable in Costa Rica). Drive to La Fortuna near Arenal Volcano — 3.5 hours. Arenal is the activity hub of the country. Check in to your lodge, ideally with volcano views.

La Fortuna Waterfall — a 500-step descent to the base of a 70-meter waterfall with a swimming hole. Tweens race each other down the stairs. The swim at the base with the waterfall spray is exhilarating. $18 entry.

Dinner at Don Rufino in La Fortuna town — the quality benchmark for the area, excellent gallo pinto (rice and beans) and fresh heart of palm salad. Walk the town after for $1 fresh fruit from street vendors.

Arenal Mundo Aventura or Arenal Canopy Adventure — both run 10-12 cable zipline tours over the rainforest canopy. Tweens can ride Superman-style (face-down, horizontal) on most lines. Minimum age typically 8–10, minimum weight 50 lbs. The longest lines are 700+ meters. 3 hours.

White-water rafting on the Balsa River with Desafío Adventure Company ($75/person, Class III). The Balsa is the perfect tween-aged river: thrilling enough to scream, manageable enough to feel accomplished. Life jackets and helmets provided, guide in every raft.

Tabacón Hot Springs — volcanic thermal pools (38–42°C) fed by Arenal's geothermal activity. The cocktail bar in the middle of the warm river is absurd and wonderful. Tweens pick a hot pool and won't move. $55/person day pass.

Drive 2 hours north toward the Nicaraguan border to Cano Negro Wildlife Refuge. Boat safari with a local guide company — $60/person for a 2-hour flat-bottom boat ride through wetland channels. Caimans, basilisk lizards, hundreds of species of birds, howler monkey families. The guide narrates everything and tweens come home with extensive unasked-for wildlife facts.

Drive back to La Fortuna (2 hrs). Swim at the hotel pool. Order food in.

Optional: Frog's Heaven near La Fortuna for an evening guided frog tour ($25/person, 90 min). Red-eyed tree frogs, glass frogs, poison dart frogs — all under headlamp and black light. Tweens who found biology boring are converted.

Drive to Monteverde (3 hrs — the road is partially unpaved and bumpy; 4WD essential, windows down, worth it for howler monkey sightings en route). Check in. Immediately book afternoon hanging bridges walk at Selvatura Park or Monteverde Cloud Forest Reserve.

Hanging bridges at Selvatura — 15 bridges, 3km through the cloud forest canopy. Tweens who've done ziplines realize this is the opposite experience: slow, observational, everything visible. Quetzal sightings possible March–May. The suspension bridges sway; this is a feature.

Night hike in Monteverde Cloud Forest with a certified guide ($25/person, 2 hrs). Prehensile-tail porcupines, sleeping birds, stick insects, bioluminescent fungi. The cloud forest at night is a completely different ecosystem. Guide provides headlamps.

100% Aventura Zipline Park — the longest zipline in Latin America (1.6 km over a single cable across a valley). Also includes a Tarzan swing and a cable crossing over a canyon. 3 hours, $75/person.

Drive back to San José (4 hrs). Airport by 5pm for evening departure. Stop at Café Britt near Alajuela for single-origin Costa Rican coffee and chocolate — the chocolate tasting is educational and tweens eat their body weight in samples.

Flight home.