Nógrád county has the most pristine environment in Hungary. A large part of its area is hilly; and the proportion of forests and woods is outstanding among the counties of Hungary. The environment is clean, with exceptionally rich flora and fauna.

Some of the unique sights of Nógrád county worth mentioning are:
Hollókõ Old Village, preserved in its early 20th century form, part of the UNESCO World Heritage, the Ipolytarnóc findings of ancient fossils, awarded with a European Diploma, the leaning fire watch tower of Szécsény and the underground museum of coal mining in Salgótarján.

The rich stock of games of Nógrád county can be hunted by foreign hunters, too. Horse riding is possible among picturesque hills and mountains with small lakes and rivers waiting for anglers. Those in search of bathing and water sports can visit several ponds and baths with warm water.