7/30/00 - Merriam Cone. Oblique view of shaded-relief bathymetry of Crater Lake OR, looking north across East Basin toward Merriam Cone. The colored region is the lake floor and the gray region is the surrounding caldera walls above water. The summit of Merriam Cone is 154 m (505 ft) below the lake level and the cone rises 425 m (1,394 ft) above the basin floor. The distance across the bottom of the image is approximately 7.5 km (4.7 mi). The vertical exaggeration of the image is 2x.