– Region: Alajuela — PN Volcán Poás (one of world’s largest active craters, near San José)

 – Elevation: 2700

 – GPS Coordinates: 10.196° N, 84.230° W

 – Access Difficulty: T1 — 37km from Alajuela on paved road (1hr from San José) 

 – Opening Season: Year-round (park open daily 8am–3:30pm; CLOSES without notice for eruptions — check!)

 – Winter Room: – Number of Beds: 0  – Showers: Yes — visitor centre WC

 – Drinking Water: Yes — at visitor centre – Meals & food: Café at visitor centre

– Mobile Signal: Yes – Payment Methods: USD 17 park entry | MANDATORY advance reservation sinac.go.cr | park often closes for activity

 – Reservation Link: Click here to make a reservation

 – Short Description: Volcán Poás (2,708m) — one of the world’s largest active craters (1.5km wide). Highly acidic turquoise crater lake (pH 0.2 — nearly battery acid). FREQUENTLY CLOSED without notice due to eruptions (major eruption 2017 — evacuated towns). ALWAYS check current status before visiting. Book online in advance — MANDATORY reservation. 15-minute walking distance from visitor centre to crater viewpoint. Frailejones (giant espeletia plants) around the crater area.