
The Volcano, Waterfalls & Hot Springs Capital

Arenal National Park (the main volcano visitor area; USD 15 entry; the Sendero Los Miradores trail — the 2km lava field trail across the 1992 lava flow; the most dramatic landscape accessible without technical climbing; the views of the volcano cone above; the secondary rainforest regenerating through the old lava; the toucan calls from the intact forest above the lava; the park ranger station at the trailhead; the 1968 lava flow overlook — the pyroclastic flow that destroyed 3 villages and killed 87 people) is the essential volcano experience at Arenal and the finest single hike in the northern lowlands.
💡 Take the park’s morning opening (7:30am; USD 15; the volcano is most visible in the morning before cloud builds around the summit; the lava field trail is best in the first 2 hours; the mid-morning cloud frequently wraps the cone; arrive by 8am for the clearest summit view). The Arenal 1968 lava flow overlook (the most historically significant overlook in the park; the vegetation succession visible from bare lava to initial coloniser plants to secondary forest over the 50+ years since the 1968 eruption) provides the geological and human context for the volcano visit.

The Catarata La Fortuna (the La Fortuna Waterfall; 5km from town by taxi or bicycle; USD 18 entry; the 500-step descent to the base — steep and slippery in wet weather; a free-falling 75m curtain of white water plunging into a turquoise pool; the mist reaching 100m from the base; the swimming pool at the base — cold, clear, and surrounded by jungle; the most beautiful single waterfall in Costa Rica and one of the finest in Central America; the return climb — 500 steps up; 20–30 minutes; significantly more demanding than the descent) is the most spectacular natural attraction accessible from La Fortuna town.
💡 Taxi to the La Fortuna Waterfall at 8am (the taxi from La Fortuna town; USD 5–8 one-way; 10 minutes; the first entry of the day at 7:30am is the least crowded; the waterfall in the morning light — the sun angles into the gorge from the east between 8–10am creating a rainbow in the mist). Bring waterproof shoes (the steps are slippery in both wet and dry season; the path crosses two river fords), a dry bag for your camera (the mist at the base is comprehensive; everything gets wet within 20m of the pool), and enough energy for the 500-step return climb.

The Arenal hot springs (the geothermal water heated by Arenal’s volcanic activity beneath the Cordillera Central; temperatures 35–42°C; the full range from luxury resort spa pools to free natural rivers: Tabacón Grand Thermal Resort — the finest; USD 30–60 daytime entry; the volcanic hot river through a lush garden; the bar service in the pool; Nayara Springs — the exclusive; the most beautiful hot spring pools in Costa Rica — for resort guests only; the Pláya Chollin hot river — free; the natural hot river section 8km from La Fortuna on the Arenal volcano road; the locals and backpackers mixing in the steaming river) provide the most distinctively Arenal experience and the finest way to end any volcano or waterfall day.
💡 Pláya Chollin (the free natural hot river; 8km west of La Fortuna on Route 142; accessible by the Arenal volcano bus CRC 600; or taxi USD 8–10 one-way; the hot river visible from the road; the parking area; a 5-minute walk to the river; temperatures 38–40°C; popular with local Ticos; the most authentic hot spring experience at zero cost) is the finest free afternoon activity at Arenal. Go at 4pm when the tourist crowds at the paid resorts have peaked and the local families are arriving for the evening soak.

Mistico Arenal Hanging Bridges (7km north of La Fortuna on Route 4; USD 28; the 16 hanging bridges (3 suspension bridges up to 100m long at 60m height; 13 fixed bridges) over 3km of primary Arenal rainforest; the spider monkeys, howler monkeys, sloths, poison dart frogs, morpho butterflies, and 250+ bird species visible from the bridge height in the morning; the finest canopy-level rainforest walk accessible without special equipment in Costa Rica) and the Arenal Natura Ecological Park (the guided night tour — USD 35; the most productive wildlife observation at Arenal; the red-eyed tree frogs, the sloth families, the Jesus Christ lizard, and the wolf spider visible with a guide’s torch) are the two finest wildlife experiences at Arenal.
💡 The Mistico Hanging Bridges morning walk (USD 28; the 7:30am opening; the first entry avoids tour groups; the spider monkey troops are most active in the first 2 hours; the howler monkey roar at dawn is audible from the first bridge; the 3km circuit takes 1.5–2h; download the eBird Costa Rica list for bird identification at the bridges) is the finest wildlife morning at Arenal. The Arenal Natura Night Tour (USD 35; depart La Fortuna at 5:30pm; the guide’s ultra-violet torch reveals the red-eyed tree frogs and the scorpions — which glow under UV; the 1.5h guided walk; return 9pm) is the finest evening activity.
La Fortuna has a practical and enjoyable food scene concentrated on the town’s main street. Rancho La Cascada (the most beloved restaurant in town; the open-air rancho setting; the “casado” plates; USD 8–18; the most popular locals’ restaurant), Soda Viquez (the finest traditional Costa Rican soda counter in La Fortuna; the gallo pinto breakfast; CRC 3,000; the tables under the trees; the local families eating lunch) and the La Fortuna town square restaurants (the more tourist-oriented options; higher prices; good for the convenience and the views of the volcano over coffee). Don Rufino (the most upscale La Fortuna restaurant; the Costa Rican grill; USD 18–35; the finest sit-down dinner in La Fortuna) is the best formal option. Smoothie and juice bars are excellent throughout the main street; the fresh guanabana and mango smoothies are CRC 2,000–3,000 and among the finest in Costa Rica.
Arenal is most cloud-free in the early morning (6–9am). The clearest conditions are December–April. La Fortuna Waterfall viewpoint at dawn has volcano and waterfall in the same frame.
Rent a bicycle in La Fortuna town (USD 10–15/day; flat road to Tabácon is 6km). The public Balneario Tabácon (free; 1km past the resort gate) opens at 8am and is genuinely volcanic hot.
Book adventure activities (white-water rafting, canopy, horseback; USD 40–80) through your hotel or a licensed La Fortuna agency. Avoid touts at the main intersection offering cheaper deals.
Pláya Chollin (free; Route 142; 8km from La Fortuna) is a natural volcanic hot river section with pools in the river rocks. Go at 7–9am before day-trippers arrive from Monteverde.
La Fortuna and Arenal (in the northern lowlands of Costa Rica; the wettest part of the country year-round; average annual rainfall 3,500mm; significantly wetter than the Pacific coast).
The La Fortuna–Monteverde transfer (known as jeep-boat-jeep; 3.5 hours; US$25; depart 7:30am; book through any hostel) crosses Lake Arenal by speedboat. The only practical one-day route between the two destinations.
6am: volcano dawn view (the park road viewpoint; free; the cone clear at 6am; photo stop 20 mins). 7:30am: Arenal National Park (USD 15; lava field trail; 2h). 10am: taxi to La Fortuna Waterfall (USD 6; USD 18 entry; the 500-step descent; the turquoise pool swim; the 500-step climb back; 2.5h). 1pm: Rancho La Cascada lunch (casado USD 12). 4pm: bicycle to Pláya Chollin hot river (USD 12 rental; 6km; 25 mins; the free steaming river soak; return at dusk). Don Rufino dinner (7pm; USD 25).
7:30am: Mistico Hanging Bridges (USD 28; 1.5h; the spider monkeys; the morpho butterflies; the volcano visible through the canopy). 10:30am: white-water rafting (Desafio; USD 65; Río Toro grade 3–4; 3h including transport; return 2pm). Lunch. Rest. 5:30pm: Arenal Natura Night Tour (USD 35; the red-eyed tree frogs; the UV-lit scorpions; 1.5h). Jeep-boat-jeep to Monteverde 7:30am tomorrow (USD 28; book tonight).
Download the Arenal rainforest wildlife guide offline. Spider monkeys, sloths, toucans, and poison dart frogs are the most common encounters.
Free
Download the Arenal bird checklist (250+ species including the keel-billed toucan, scarlet macaw, and the resplendent quetzal in the cloud forest above the park).
Free
Download La Fortuna and the Arenal volcano road offline. Navigate the free Pláya Chollin hot river and the Mistico Hanging Bridges turnoff.
Free
Multi-currency CRC/USD. ATMs in La Fortuna town centre. Adventure activities accept USD or card; Soda restaurants are cash-only.
Free
Arenal volcano and hot springs, Monteverde cloud forest canopy walks, Manuel Antonio’s monkeys and beaches, Tortuguero’s sea turtle canals, and the Caribbean coast of Puerto Viejo.