Horning's Hideout, private park for Portland Oregon outdoor weddings and receptions, events, fishing, Horning's Hideout Private Park is Portland Oregon's premiere outdoor wedding venue and outdoor reception venue. A land of enchantment where you can hold your Portland Oregon area outdoor weddings and receptions, gathering or any other outdoor event. Secluded in a picturesque Oregon canyon, Horning's Hideout brings a magic to your Portland Oregon outdoor wedding and reception that can only happen here!.