Book at least 2-4 weeks ahead if you're traveling during peak season (December-April). The 2-day/1-night Sirena treks and overnight stays fill up quickly because park access is limited to protect the ecosystem.

December through April offers the most stable weather and best wildlife viewing. The rainy season (May-November) is cheaper and fewer crowds venture in, but trails get muddy and some tours scale back - check before you go.

Yes, a guide is essentially required for most treks into the park, and honestly they transform the experience. A good guide spots animals you'd miss, knows the safest routes, and can tell you what you're actually looking at in the canopy.

Most tour operators pick you up from your accommodation. The town itself is walkable, but to reach trailheads and Sirena station you'll be traveling by boat (which is included in multi-day packages) or small plane for the quicker flyover option.

Waterproof bag, good hiking boots (trails flood), rain jacket, insect repellent, and a headlamp. Check your tour details for what's provided - accommodation and meals are typically included in the package price.

Yes. Day tours to La Leona station, the 30-minute scenic flight over the park, or kayaking in Golfo Dulce let you experience the region in 4-8 hours. These work well if you're island-hopping or short on time.

The overnight jungle treks are genuinely strenuous - expect 20km of hiking with river crossings and muddy terrain. Day tours and the aerial flight are more manageable for kids or if you prefer a gentler pace, but check difficulty ratings before booking.