No, a jeep is not needed to reach the main viewpoint of Passu Glacier, as it is accessible directly from the Karakoram Highway.
Roadside Access
The glacier can be viewed near Passu village with only a short walk from the highway.
Extended Exploration
Walking onto the glacier itself requires moderate trekking over rocky surfaces.
Vehicle Requirements
No off-road transport is necessary for general viewing.
Access is straightforward for most travelers.