The aging rover beamed new images to Earth on Wednesday, confirming it reached the hill informally called Cape Tribulation.
Opportunity landed on Mars more than a decade ago and has recently suffered bouts of amnesia stemming from an issue with its flash memory. The six-wheel rover has been able to drive despite the occasional memory lapse.
Opportunity will spend several days at the summit snapping pictures that engineers will stitch into a color panorama.
Get Breaking news, live coverage, and Latest News from India and around the world on NDTV.com. Catch all the Live TV action on NDTV 24x7 and NDTV India. Like us on Facebook or follow us on Twitter and Instagram for latest news and live news updates.