Sri Lanka Travel Guide

Horton Plains National Park: The Complete Trekking Guide

Cloud forest, wind-blown grassland and a cliff that falls away into nothing. Here is everything you need to plan a Horton Plains trek — the 9.5 km loop, the best months, what to pack and the rules that catch most visitors out.

Most of Sri Lanka is warm. Horton Plains is not. Up on the central highlands plateau, the grass is stiff with frost at dawn, the mist sits in the hollows, and you walk out to a cliff edge where the land simply stops. It is one of the few national parks in the country where you are allowed to explore on foot, and that alone makes it worth the early start.

The park protects the montane plateau above Nuwara Eliya and Ohiya. It was declared a nature reserve in 1969, upgraded to a national park in 1988, and in 2010 became part of the Central Highlands of Sri Lanka UNESCO World Heritage Site. Three of the island’s great rivers — the Mahaweli, the Kelani and the Walawe — all begin their journey here.

Horton Plains at a glance

A short history

The plateau was recorded by the British planter Thomas Farr in the first half of the 19th century. In 1834 it was named after Sir Robert Wilmot-Horton, Governor of Ceylon from 1831 to 1837 — the Sinhala name, Maha Eliya Thenna, is much older. For a long stretch of the colonial period the plains were hunting country. Protection came slowly: reserve status in 1969, full national park status in 1988.

What you will see on the trek

The walk moves through two completely different landscapes. Open montane grassland fills roughly 2,000 hectares of the park — pale, treeless, and shaped by wind and frost. The remaining 1,160 hectares are subtropical montane cloud forest, where the trees are short, gnarled and hung with moss and lichen.

Between the two you get waterfalls, dark pools, rock outcrops and, on a clear morning, a view south that carries all the way to the coast roughly 80 km away.

Wildlife

The sambar deer is the animal you are most likely to meet, often grazing near the visitor centre at first light; the park holds a population of around 2,000. Sri Lankan elephants were last recorded here in the 1940s. Leopards are present but rarely seen. Also on the list: giant squirrels, wild boar, mongooses and the endemic purple-faced langur.

For birders, Horton Plains is one of the best sites on the island. Twenty-one of Sri Lanka’s endemic bird species breed here, including the Sri Lanka whistling thrush, dull-blue flycatcher, Sri Lanka wood pigeon, Sri Lanka white-eye, yellow-fronted barbet and orange-billed babbler. Bring binoculars.

The main attractions

How long is the Horton Plains trek?

The full circuit is 9.5 km and takes most walkers around three hours at a steady pace. The path is well marked and mostly flat, with a few rocky sections and one short climb back from Baker’s Falls. Anyone with reasonable fitness can do it.

The best time to visit Horton Plains

March to May is the sweet spot. Rainfall is low, the cold is manageable and the plateau flowers are out, which changes the character of the grassland entirely.

December to February is the other good window — dry, clear and very cold at dawn, sometimes with ground frost. Skies are often at their sharpest in these months.

Avoid the heaviest rains of the northeast monsoon if you can. Mist and drizzle can arrive on any day of the year up here, so treat a clear morning as a bonus rather than a guarantee.

What to pack

• Proper walking shoes with grip — the rock gets slick in mist
• A warm layer or fleece for the first hour; it can drop close to freezing
• A light rain jacket, even in the dry season
• Drinking water in a reusable bottle
• Light snacks (eat them at the rest points, not on the trail)
• Sunscreen and a hat — the UV at this altitude is stronger than it feels
• Camera and binoculars

Park rules you need to know

Rangers check bags at the entrance and the rules are enforced. Plastic and polythene are removed before you enter, so decant snacks into a container before you arrive.

• No plastic or polythene beyond the entrance
• No matches, lighters, burners or any open-fire equipment
• No smoking anywhere in the park
• No loud noise — voices carry a long way across open grassland
• Do not feed the animals, including the sambar near the car park
• Do not remove plants, stones or anything else from the park
• Carry all your rubbish back out with you

Camping at Horton Plains

The Sri Lanka Forest Department runs campsites across the island and Horton Plains has three of the best. Each site has a toilet and sleeps up to ten people. Bookings go through the Forest Department head office in Battaramulla, and there is a separate car park charge near the visitor centre.

Getting there

1. By road from Nuwara Eliya — about 32 km and 1 to 1.5 hours on a narrow, winding hill road. This is the usual approach and the easiest to time for a dawn arrival.
2. By road from Haputale or Bandarawela — via Ohiya, roughly the same driving time, with the Ohiya to park entrance stretch being the roughest part.
3. By train to Ohiya — one of the most scenic rail journeys in Sri Lanka, though you will still need a vehicle for the final 10 km climb to the entrance.

Common questions

Walk it with Ceylon Hunt

Horton Plains is one of Sri Lanka’s smallest national parks and, for our money, one of its most beautiful. It is also one of the very few you are free to walk through. The catch is timing: get there late and you see white cloud where the view should be.

We build the pre-dawn start, the transfer and the park formalities into our highland itineraries so the morning runs without stress. Take a look at our Sri Lanka tour packages, or tell us your dates and we will put Horton Plains into a route built around what else you want to see.

Have a question about visiting Horton Plains? Leave a comment below or message us and we will answer it. Image credits: Siddharth Sarangan, Loek Zanders and Francesco Veronesi, via Creative Commons licences — some rights reserved.