Grandjean Fjord opens to the east, between Cape Negri to the south and Cape Buch to the north.
Its mouth is located in the northwestern area of Hochstetter Bay, by the northern entrance of Fligely Fjord, northwest of Kuhn Island and south of the mouth area of Ardencaple Fjord.
Ulla Island rises in the middle of mouth area of the fjord, about 7 kilometres (4.3 mi) from the entrance.

The fjord is about 5 kilometres (3.1 mi) wide at the mouth and stretches to the southwest for about 35 kilometres (22 mi), curving northwestwards and narrowing to about 3 kilometres (1.9 mi) in its inner half where the Heinkel Glacier flows into the head.
Grandjean Fjord separates Thomas Thomsen Land in the south from C. H. Ostenfeldland to the north.
There are high mountains on both sides of the fjord.
Betulahavn is a bay in the SW side of the central stretch of the fjord.
Grandjean Fjord opens to the east, between Cape Negri to the south and Cape Buch to the north. Its mouth is located in the northwestern area of Hochstetter Bay, by the northern entrance of Fligely Fjord, northwest of Kuhn Island and south of the mouth area of Ardencaple Fjord. Ulla Island rises in the middle of mouth area of the fjord, about 7 kilometres (4.3 mi) from the entrance.
The fjord is about 5 kilometres (3.1 mi) wide at the mouth and stretches to the southwest for about 35 kilometres (22 mi), curving northwestwards and narrowing to about 3 kilometres (1.9 mi) in its inner half where the Heinkel Glacier flows into the head. Grandjean Fjord separates Thomas Thomsen Land in the south from C. H. Ostenfeldland to the north. There are high mountains on both sides of the fjord. Betulahavn is a bay in the SW side of the central stretch of the fjord.
Grandjean Fjord