Kaieteur National Park

Listen first. Before you see anything, you hear a low roar that never stops. The ground under your boots is pale, rough sandstone, damp from a fine spray carried on the wind. The air smells of wet earth and green leaves. Then the trees open, and the Potaro River pours over the edge of the world in a single column of amber and white.

This is Kaieteur Falls, the heart of Kaieteur National Park, deep in Guyana's Potaro-Siparuni region. The water drops about 226 metres in one clean plunge. That is roughly four to five times the height of Niagara Falls. Many waterfalls fall in steps or cascades. Kaieteur does not. It falls straight down, and that is what makes the first view so hard to take in.

The volume is the second surprise. Kaieteur is not only tall. It also carries a great deal of water for a fall of this height. In the rainy months the river swells, and the curtain grows wide and heavy. In drier spells it narrows, and you can see more of the dark rock behind it. Either way, the sound fills the gorge, and the mist rises high above the lip.

Look at the colour of the river above the drop. It runs brown, almost like strong tea. This is not pollution. The water passes through forest and swamp upstream, and it picks up tannins from decaying leaves. Those natural compounds stain it the colour of root beer. As it falls, air breaks it into foam, and the brown turns gold, then white, then vanishes into spray.

The rock under your feet is very old. Kaieteur sits on the edge of a sandstone tableland in the Pakaraima Mountains. This plateau is part of the Guiana Shield, one of the most ancient geological formations on Earth. Over enormous spans of time, the Potaro River cut backward into this hard stone and carved the deep gorge below. The flat-topped highlands of this region are the same landscape that inspired tales of lost worlds.

Now, a story. The name is often explained through a legend of the Patamona, the Indigenous people of this area. Locals say an old chief called Kai sacrificed himself to the Great Spirit to protect his people. In the tale, he paddled his canoe over the falls. One common reading of the name is simply Kai's Falls. It is folklore, not recorded history, but it is the story most Guyanese will tell you here.

The written record is more recent. The first European account of the falls is credited to the British geologist Charles Barrington Brown, who reached them in 1870 during a survey of what was then British Guiana. Of course, the Patamona had known this place for generations. In 1929 the colonial government protected the area as a national park. That makes it one of the oldest protected parks in South America.

Most visitors arrive the way you probably did — by small plane. The flight from the coast crosses unbroken rainforest, with no roads below for long stretches. Then a short airstrip appears on the plateau, close to the falls. From there, a walking trail leads through low forest to a series of viewpoints. Each one shows the falls from a different angle and distance.

Pay attention to the plants along that trail. Here the forest is short and shrubby, because the soil on the sandstone is thin and poor. Look for giant bromeliads, large rosettes of stiff leaves that hold small pools of rainwater in their centres. These plants are a whole world of their own. And inside them lives one of the park's most famous residents.

It is a tiny frog, bright golden yellow, often no longer than the top of your thumb. The golden rocket frog spends much of its life inside these giant bromeliads. It lays its eggs there, and its tadpoles grow in the trapped water. Move slowly and look into the leaf bases near the trail. Guides often know which plants to check. Please look, but do not touch.

Birds are the other show. Watch for a flash of brilliant orange in the forest — the Guianan cock-of-the-rock, a bird with a crest shaped like a half-moon. And if you are here late in the afternoon, look toward the falls. Thousands of swifts nest on the wet rock behind the water. At dusk they return in fast, dark streams and dive straight through the spray to reach their roosts.

A word about the edges. At several viewpoints there are no railings at all. You can stand on open rock with a sheer drop in front of you. This makes the experience very direct, and very real. It also means you should be careful. Keep well back from the lip, watch your footing on wet stone, and follow your guide's directions. The wind near the edge can be strong.

The light changes the falls through the day. When the sun is behind you and the mist rises, rainbows often form in the gorge. They appear, fade, and return as clouds move across the plateau. On grey days the falls look darker and more dramatic, with the mist hanging low over the forest. There is no wrong time to look. There is only a different version of the same water.

Before you turn back to the trail, stay for one more minute. Feel the cool spray on your face. Listen to the roar, and notice how it softens a little with every step you take away. Look down into the gorge, where the river becomes calm again and winds off into the forest. That brown water will travel a long way toward the sea. You have seen the moment it falls.