Yes, and here is why.
Yala and Udawalawe are genuinely different parks. Not just in the animals they are known for, but in the whole feeling of being inside them. Doing one does not replace the other.
What Udawalawe offers that Yala does not
Yala is dense, forested, unpredictable. Udawalawe is open, wide, and built around water. The central reservoir creates a completely different landscape: big skies, grasslands, a vast stretch of water where elephants come to drink, bathe, and feed.
The elephant experience here is almost unmatched in Asia. Not just in numbers, though you will often see herds of ten to twenty, but in proximity and relaxation. Because there is no leopard to chase in Udawalawe, the pace of safaris here is different. Drivers move calmly, stop for longer, and let moments develop. You spend more time watching and less time racing.
You can observe elephant behaviour here in a way that is hard to replicate anywhere else. A mother and calf at the water's edge, a lone bull grazing across the road, a young male mock-charging another just to assert himself. It is endlessly watchable.
What else you will see
Beyond elephants, Udawalawe has good variety. Water buffalo cooling off in muddy pools. Spotted deer and sambar deer grazing in the grasslands. Crocodiles along the water's edge. Golden jackals trotting across the open tracks. Wild boar, mongooses, and troops of toque macaques.
The birdlife around the wetlands is particularly good: pelicans, painted storks, purple herons, white-bellied sea eagles, pied kingfishers, and green bee-eaters. If you enjoy birds, Udawalawe can surprise you.
The honest answer about leopards
Leopards are present in Udawalawe, but sightings are rare enough that almost nobody reports them. Only a handful of confirmed sightings happen in a whole year. If leopards are what you are after, Yala is the right choice. Udawalawe is not a leopard park, and it does not try to be.
What about crowds?
Udawalawe has grown in popularity over the years. On busy days and weekends, it is noticeably crowded. But compared to Yala Block 1, the atmosphere is still much calmer. There is no leopard creating a rush, which changes everything about how the park feels.
A good guide who knows which routes to take and when to enter can give you a remarkably peaceful experience even on a busier day.
One more thing worth knowing
If you are in Udawalawe, the Elephant Transit Home is nearby and worth considering as part of your day. It is a rehabilitation centre for orphaned elephant calves, run by the Department of Wildlife Conservation. You watch feeding time from a distance, and the whole experience of seeing these young elephants being prepared to return to the wild is quite unlike anything else. It is complicated in some ways, but genuinely meaningful. I have written about it in more detail in a separate article.
The short answer
If you have already done Yala and are wondering whether Udawalawe is worth it: yes, it is. Not because it will give you more of the same, but because it will give you something genuinely different. A slower pace, a different landscape, and some of the most reliable elephant encounters you will find anywhere in Sri Lanka.