Fourth of July activities are set for throughout the region Wednesday.  In Hood River events start with the Kollas/Cramner Memorial Run from the Odell Fire Hall to Hood River’s Jackson Park.  Registration begins at 7 a.m. with walkers starting at 8 a.m. and runners at 9 a.m.  The annual parade on the Heights in Hood River will begin at 10 a.m. with a theme of “Heroes in our Hearts.”  Former City Manager Lynn Guenther will be grand marshal, and lineup begins at 8:30 a.m. on Eliot Drive, with the parade entry fee $10.  A host of family events follow the parade at Jackson Park.  In Odell there will be a parade downtown with lineup at 3:30 p.m. and the parade itself beginning at 4 p.m.  In The Dalles the “Patriots’ Parade” will take place at 10 a.m. on the usual downtown route.  White Salmon’s parade begins at 1 p.m. at Tohomish and Center and winds downtown on Jewett Boulevard to Rheingarten Park, where there will be a picnic, music, and games at 2 p.m.  Fireworks will take place in Hood River at Port Marina Park and in Cascade Locks off Thunder Island, both beginning about 10 p.m.