Cerro Chato

Cerro Chato Lagoon

Cerro Chato Lagoon

The La Fortuna area offers countless hiking adventures, and beautiful scenery to go with them. Be it the dazzling La Fortuna waterfall, the mysterious changing colors of Río Celeste, the heights of the Hanging Bridges, or the breathtaking views of Arenal and the gardens at the Observatory Lodge, there are countless hikes for all ability levels. The most challenging of these hikes, however, is Cerro Chato.

Cerro Chato lagoon

Cerro Chato Lagoon

Cerro Chato is–or rather was–a volcano long before Arenal. Arenal is a young volcano, only a few thousand years old. Cerro Chato on the other hand is tens of thousands of years old and has long been extinct. What once was a pit of fire and sulfur is now a chilly pool of water teeming with life. To get there you climb through pasture land, then up through forest and into a cloud forest before finally making a very steep descent to the lagoon.

The hike itself is strenuous. The weather will dictate the challenges you face. On a rainy day the mud makes the lower mountain slippery and difficult. The first time I went I was wearing a cheap pair of sandals; I ended up hiking barefoot most of the lower mountain, and remember stepping in knee deep mud after a particularly rainy week preceding a hike. The first half of the hike is entirely exposed, so on a sunny day the sun will beat down on you until you get to the relief of the shade where the jungle begins.

All that said, Cerro Chato is a fantastic hike. When you arrive to the tree line, you will have a view of Arenal, the entire La Fortuna area, and on a particularly clear day all the way to Lake Nicaragua. In the forest you will see all kinds of wildlife, including a type of frog that you will only find no where else in the area except in that lagoon. When you arrive to the top, on a clear day you’ll get a unique up close view of Arenal.

View of Arenal from atop Cerro Chato

View of Arenal from atop Cerro Chato

The time it takes to hike will vary on your ability level; when I did it with a group of young guys we managed it (albeit nearly running half the time) in about an hour and ten minutes, but if you want to take your time to see the sites and not kill yourself racing up it will take two to three hours up and one to two hours down. Plus however much time you decide to spend in Cerro Chato Lagoon.

I’d highly recommend packing some snacks to enjoy at the lagoon. Also bring plenty of water with you. There is a spot about 1/3rd of the way up where you can fill your water bottle from a hose tap (and the water here is safe!), so keep that in mind as well. The trail up is very well marked. The further you go up however, the worse the trail becomes. Especially descending into the lagoon the trail is very rough. In some spots they’ve now had to install ropes so you can pull yourself up (because some of the steps are now 4-5 feet high).

When you get to the top you will want to go to the right where the trail splits. To the left descends the other side of the mountain to the Observatory Lodge which will leave you 45 minutes in car from La Fortuna. To the right there are some benches to rest on while taking in the view of Arenal, and from there is the trail down into the crater.

The hike itself is $10 to enter Cerro Chato reserve, and it will probably be another $10 round trip in a taxi to get to the entrance (or you could walk there from the center of town, it’s about a 1.5 hour walk). Additionally, our tour partner Arenal Jungle Tours offers a tour package that includes transportation, a guide, snacks, and the hike (plus the hot springs, and the observatory hike) that we can set you up with (at a discount!) as well!

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