With the graying of populations across the world, the travel behavior of seniors has become a topic of growing interest in planning and research. Most attention in the field of transportation has been devoted to motorized travel. However, the use of various modes of transportation, including nonmotorized travel, remains to be fully investigated. In this paper the multimodal trip generation of seniors in Montreal Island is studied. Personal, mobility tools, neighborhood, and accessibility variables are considered in a trivariate ordered probit model of three modes: car, transit, and walking. Geographical analysis of the walking component of the model helps to identify locations within the region where walking is more or less prevalent among older adults.