The Cebrenia quadrangle is mostly covered by the plains of eastern Utopia and western Arcadia Planitiae, which are split by the prominent, north-trending Phlegra Montes ridge belt. The south-central margin of the quadrangle includes the northern part of the Elysium rise, upon which Hecates Tholus forms a domical mountain that includes the highest point in the quadrangle, more than 8,000 m above the adjacent plains to the north. This edifice includes a series of nested summit calderas and extensive fluvial valleys (Figure 7.A). Lesser ridge and scarp systems in the plains include north-trending Phlegra Dorsa in Arcadia and northwest-trending Panchaia Rupēs and northeast-trending Cydnus Rupēs in Utopia. Several systems of sinuous channel systems, including Tinjar, Granicus, Apsus, and Hrad Valles, extend hundreds of kilometers northwestward from the Elysium rise into the deeper, central floor of Utopia basin, where the lowest regional elevations (~5,000 m below the Martian datum) occur. The most prominent crater, 100-km-diameter Mie, occurs near the quadrangle’s center. The Viking 2 landing site is more than 150 km west of Mie.