Yes, Saudi Arabia officially permits women aged 45 and above to perform Hac without a mahram (male guardian) if they are part of an organized group traveling through a licensed Hac operator. This administrative policy has gradually expanded, and some countries now accept applications from women of any adult age for mahram-free Hac, provided they travel in organized groups.
This policy aligns with the scholarly opinions of the Shafi'i and Maliki schools, which have historically held that a woman may perform the farz Hac without a mahram if she travels with a trustworthy group of women or reliable companions. Imam al-Shafi'i said the farz Hac should not be prevented by the absence of a mahram if a trustworthy group is available. The Hanafi and Hanbali schools traditionally require a mahram for any journey of this distance.
Practical considerations for women's group Hac: choose a reputable, government-licensed operator that specifically offers mahram-free group packages. Ensure the group has experienced female guides who understand women's specific needs during Hac (menstruation management, nursing, namaz arrangements). Travel with at least one woman you know personally if possible. Share your itinerary with family members at home. Keep your phone charged and location sharing enabled. The group dynamic can be wonderful — many women report forming lifelong bonds during group Hac experiences.