Redwood Bog was legally protected as a national nature reserve by the Irish government in 1991.

As part of the Little Brosna Callows it is deemed to be an internationally important as a classical example of a flood plain ecosystem and a wildfowl habitat.

[4] The reserve has Sphagnum moss lawns, wet flats, pools, hummocks, soaks and flushes.

Some areas have been degraded from turf cutting and drainage, but have been assessed as capable of regeneration.

Flora that has been recorded on the site include white beak-sedge, brown beak-sedge, bog asphodel, sundews, deergrass, and carnation sedge.