The forest is called longoz and purpose of the reserve is to maintain its natural look. Forest places reaches 50 meters in height. In the dense forest is found about 40 species of trees: oak, alder, white poplar, wild pear, willow, oaks, etc.., But dominated field elm and ash. Most of the trees are over 150 years old with a height of over 35 meters. Bushes are red blackberry, hawthorn, dogwood, hazel, etc. .. Of particular importance are the vines that form a curtain of wetlands. They are represented by skrepka, wild vine, mistletoe and dr.ne territory of the reserve is one of the largest populations of spring snowflake in Bulgaria. The river meet lilies and other water plants. Riparian flooded forests around the mouth of Kamchia included within the Reserve erected today are the most representative sample of the dense forests spread in the eastern part of the Balkan Peninsula. This ecosystem has a unique character derived from the composition and structure of forest vegetation and specific environmental conditions in which it develop.
The protected area of Longoza is the former buffer zone around Kamchiya Reservation. Longoza was declared a protected area by order No РД-523 of 12 July 2007.
The total area of the protected site is 230 hectares, 70 of which are forest areas and protected dense forests, 160 hectares are agricultural lands.
Typical for the protected areas are the dense forests, which grow on alluvial deposits in the earth during the periodic flooding, caused by the river Kamchiya. The wetland areas along the river and the dense forests are considered to be a natural wetland at the Black Sea coast. The landscape around the Kamchiya reservation and in the protected area is almost flat; the only slopes are in the northern parts near the sea.
The usual floods in the dense forests happen when the water level of Kamchiya river rises. This usually happens in the spring.
A variety of plant and animal species can be seen in the protected area of Longoza.
Tourist expeditions are allowed from Kamchiya river to the borders of the reserve. However, tourists must comply with certain requirements.