Cool cross country jump! I think this could be easily done by drilling big holes in a fallen log or even 4x4, then bundling cut grasses (I'd wrap the bases with floral wire) and inserting into the holes.
Cool jump idea :) theres lots of tires laying around the barn property.. this would be easy!
Birch Jump Standards
Instructions for building a horse jump, but could easily be adapted for a dog jump.
3' fire fillers (via Nicole P. English Tack Trader). OMG this is ridiculously awesome.
how to build your own Horse Jumps
Offenstall, Paddock Trail, Leckstein-Halter
After a hard day riding dry out your blanket or pad on a blanket holder.