In this paper, we construct stationary sequences of random variables {chi (
i): i greater than or equal to 0} taking values +/-1 with probability 1/2 a
nd we prove an Erdos Renyi law oi large numbers for the length of the longe
st run of consecutive +/- 1's in the sample {chi (0).....chi (n)}. Our mode
l, which is called random walk in random scenery. exhibits lung-range. posi
tive dependence.