The Muro no Obaka tumulus is a keyhole-shaped tumulus, located in Gose City, Nara Prefecture, which was constructed in the first half of the middle era of the kofun period (tumulus period).
室大墓古墳（むろのおおばかこふん）は、奈良県御所市に所在する古墳時代中期前半の前方後円墳である。