The data reported on here were gathered from two neighboring drainages in the north-central part of the lower peninsula of Michigan, both of which have harbored wild trout for much of the present century. Information on movements of wild brook trout (Salvelinus f. fontinalis) are given for Hunt Creek, a tributary of the Thunder Bay River. The movements observed among wild brook trout and wild brown trout (Salmo trutta) are listed for the North Branch of the Au Sable, Main Au Sable, and South Branch of the Au Sable River. Hunt Creek differs noticeably from the other streams in that it is much smaller in physical dimensions and flow; at the time of observations there it contained only wild brook trout. My objective was to determine if there were any significant movement patterns among the wild brook trout and brown trout in these four streams.