The distance between successive camps was from 3 to 6 km,
or one to two hours’ walk. After three or four months, roughly corresponding to
the end of a season, camp groups would disband, and splinter groups would move
to other river valleys, joining and forming groups anew. Movement followed the
course of pathways old and new and, as with Western Penan of Sarawak (Brosius
1986), revealed encyclopedic knowledge of trails, rivers, and campsites and the
locations of campsites relative to each other both in space and time (Lye 1997,
2008). That is, the Batek not only knew where old campsites were located and
where prospective sites could be found, but also remembered the chronology of