Hiking the Isolated Cerro Chato Volcano Trail in Near Arenal

Introductory Overview

Cerro Chato, an extinct volcano adjacent to Arenal Volcano, offers one of the most challenging and rewarding hikes in the area. Unlike its famous neighbor, Cerro Chato is less frequented, making it an ideal destination for those seeking a remote and physically demanding adventure. The trail ascends through thick rainforest, offering breathtaking views, encounters with diverse wildlife, and the opportunity to reach a stunning crater lake at the summit. With steep inclines and muddy terrain, this hike requires preparation and determination but rewards visitors with an unparalleled natural experience.

Adventure Guide to Hiking the Isolated Cerro Chato Volcano Trail

La Fortuna Side Trailhead

• Location: Near Arenal Observatory Lodge
• Highlights: The steeper of the two traditional routes (historically accessed through the lodge) winds through dense jungle, with chances to see howler monkeys, toucans, and rare orchids. The final ascent is rough, with exposed tree roots and slippery sections.
• Key Features: Previously marked trails offered guidance, though official access has been limited in recent years. Checking local regulations before attempting is advised.

The Crater Lake

• Special Features: On reaching the summit, hikers can descend into the volcano’s emerald green crater lake, once a water-filled lava depression. Swimming was once allowed but is now discouraged due to changing conservation efforts.
• Local Insights: The lake reflects the surrounding mountains, creating a breathtaking view, especially during early morning visits when fog lingers over the water.

Wildlife and Flora

• Unique Sightings: Sloths resting in the trees, poison dart frogs hiding in the undergrowth, and the distinctive calls of motmots. The plant life includes giant ferns, moss-covered trees, and orchids hanging from branches.

Visitor Tips

• Best Time to Visit: Dry season (December–April) for safer trails; rainy months make the route excessively muddy.
• What to Bring: Hiking boots, rain gear, water, high-energy snacks, and bug repellent.
• Directions: From La Fortuna, drive 30 minutes towards Arenal Observatory Lodge—historical access point, though restrictions may apply.