The Brown Bluff is a basalt tuya on the Tabarin Peninsula of northern Antarctica that has formed in the last 1 million years as a result of subglacial eruptions within an englacial lake, and has many flora such as Lichens in the genera Xanthoria and Caloplaca have been recorded on exposed boulders from the shoreline to an elevation of 185 m (607 ft), while mosses occur at higher elevations near glacial drainage, and has been identified as an Important Bird Area (IBA) by BirdLife International because it supports a breeding colony of about 20,000 pairs of Adlie penguins, as well as about 550 pairs of gentoos.
Brown Bluff is a basalt tuya on the Tabarin Peninsula of northern Antarctica. It formed in the last 1 million years as a result of subglacial eruptions within an englacial lake. Lichens in the genera Xanthoria and Caloplaca have been recorded on exposed boulders from the shoreline to an elevation of 185 m (607 ft). Mosses occur at higher elevations near glacial drainage. The site has been identified as an Important Bird Area (IBA) by BirdLife International because it supports a breeding colony of about 20,000 pairs of Adelie penguins, as well as about 550 pairs of gentoos. 
