The area of the park is 91.745 ha and it is divided into five functional zones.
There are almost 900 plant species, 149 bird and 48 mammal species found in the territory.
Since 2004 Gauja NP is a part of Natura 2000 network as a territory, which is designed for conservation of protected species and biotopes.
The park administration is based in Sigulda.
The Gauja National Park in Vidzeme is the largest national park in Latvia, with an area of 917.86 km² running from north-east of Sigulda to south-west of Cēsis along the valley of the Gauja River, from which the park takes its name.
Gauja National Park was founded in 1973 and is the first Latvia’s national park.
The deepest part of the river valley is at Sigulda, 85 metres deep.