Gandhi has reached Mussoorie and is expected to be back in the national capital by Monday, sources said.
"She has gone out for two days and will be back on Monday," said an AICC functionary, speaking on the condition of anonymity, in Delhi.
Government sources in Uttarakhand maintain that this is a personal visit of Gandhi during which she might stay at the residence of a family friend.
Congress Vice President Rahul Gandhi is already out of India and is expected to be back from Europe next week.