It is now possible to circumnavigate Creve Coeur Lake. You didn't used to be able to get all the way around, this was our first complete loop. It's a 3.7 mile trail, more if you're wandering off doing an excellent 3 part multi-cache and an extra cache along the way. The Page Extension bridge is surprisingly quiet. Saw four deer, three herons, two fat squirrels, and a park ranger on a bicycle (partridge and pear tree were absent). The multi was the most difficult geocache we've found yet, and it took us into parts of the park we've never been to.