The description for this series of caches can be found on the first cache's description at https://coord.info/GCBD225 as can the suggested car parking location.
And so to the actual puzzle….
Jxyi sqsxu sqd ru vekdt qj dehjx vyvjo edu puhe jxhuu feydj edu vylu jxhuu qdt uqij puhe vehjo iulud feydj vekh vekh puhe qdt yi qj jxu rqiu ev qd CJJ iqtbo gkyju q mqo qmqo vhec jxu bqij sqsxu. Fhenycyjo yiikui qdt vudsui. Iehho.