以下是地理学排名前100的大学：

1. University College London (UCL) - UCL Institute of Environment, Health and Sustainability

2. University of Oxford - School of Geography and Environmental Science

3. University of Cambridge - Faculty of Geography and the Environment

4. University of California, Berkeley - Department of Geography and Urban Planning

5. Columbia University - Earth Institute

6. Stanford University - Graduate School of Public Policy & International Development

7. University of Minnesota - School of Public Affairs

8. University of Texas at Austin - Department of Geospatial Science

9. Yale University - School of Forestry & Environmental Studies

10. University of California, Los Angeles - Geography and Environment Department

请注意，这些排名可能随着时间的推移和不同的评估标准而发生变化。此外，这些大学只是地理学领域中的一部分优秀学府，还有很多其他的大学也在地理学方面取得了很好的成绩。