The Crossbill Guide to the Biebrza marshes introduces you to this fascinating region and provides you with itineraries which allow you to discover the area at your own pace. The whole of the province of Podlasia, in which the Biebrza is situated, has a wealth of natural treasures. A trip to the Biebrza is easily combined with a visit to the nearby Narew National park and to the famous Bialowieza National Park.