Posts Tagged ‘horse pen’

Hello Cherry,

I recently put up a 36 x36 pen and shelter for my horse.  I live here in Golden Colorado where the soil is VERY much Clay.  We had a several inches of rain this past week, which is a considerable amount for our parts.  The pen got very muddy.  I spent several hours today mucking it and now doing research on what I should do for a better fix.  I saw your article on 3/8 minus pea gravel.  A couple of questions:

1. Some horse friends of mine suggest I use Granite Crusher Fines to aide in the drainage.   Is this suitable?

2. Whether I use Pea Gravel or Granite Crusher Fines, what is the recommended depth of the material I should go with?  2, 3 or 4 inches? 

BTW:  I’m also going to install a french drainage system as well. 

Many Thanks! 


Hi Shawn,

The French Drain is a good idea. Sloping the pens slightly away from the barn is helpful to manage drainage too.

I’m not personally familiar with Granite Crusher Fines but think they might be something like decomposed granite which we use here in northern Colorado.

We use decomposed granite under our stall mats and also under the 3/8- pea gravel in turnout pens.

So my answer would be yes and yes ! A tamped crushed granite base with 2-3 inches of 3/8- pea gravel on top.

Please feel free to post your results here. Thanks ! Cherry Hill

To read more about French Drains, pen footing and much more, refer to these books and DVD.

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