Dina Lohan -- In the Land of Lindsay

Dina Lohan was spotted out near Lindsay's rehab facility Monday night -- which means Michael Lohan was at least 100 or so yards away from where this photo was taken.

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Dina is currently holed up at a hotel in Palm Springs, CA -- which is a taxi cab ride away from the Betty Ford clinic in Rancho Mirage.

As we first reported, Michael tried to visit Lindsay yesterday -- but claims he wasn't allowed in the joint because Dina was armed with a protective order against him.