The cache is located in S.E. Yuba City. You can drive right to it, after solving the puzzle below.
1. the Garden City at the mouth of the Demerara River
2. a highly populated, high-elevation city in S.A. (at 8,596 ft)
3. capital of country where Jane and Dian studied apes
4. the city was built around a crook in the Aare River
5. H.C. Andersen visited the Tivoli Gardens here
6. great long-distance runner of the 1920s (where he died, +1)
7. two rivers run through it, the Akerselva and the Alna
8. where the Cotton Tree represents the country's christening (in 1792)
9. the city was planned in 1956, and founded in 1960
10. Asian city where American pilots were locked in a "Hotel" during a war
11. it lies on the Tuul River at foot of Mt Bogd Khan Uul (pick one of the double vowels)
12. the Chillon, Rimac, and Lurin Rivers run thru...or near...it
13. the Aztecs named it Tenochtilan, about 1325 A.D.