Cataratas Nauyaca, a magnificent two-tiered waterfall in Costa Rica, provides an adventurous visit typically lasting 3-5 hours for hikers or 4-6 hours for guided tours. Access is via a challenging 4km hike each way, or more comfortably by 4x4 shuttle or horseback riding tours; while solo hiking is permitted, guided options are popular for convenience and added insights, often including transport. The approximate cost ranges from $10-20 USD for park entry, with 4x4 shuttles adding $20-30 and horseback tours costing $70-100+ USD, often bundling entrance. The falls are open year-round, though the rainy season (May-Nov) results in more powerful cascades and muddier trails, while the dry season (Dec-Apr) offers clearer paths; checking local conditions is always advisable. Visitors should bring sturdy hiking shoes, swimwear for the natural pool at the lower falls, water, and insect repellent.