Outdoor Writer Report post Posted October 21, 2019 GAME AND FISH NEWS Alamo Lake main ramp scheduled to close Nov. 1-25 PHOENIX -- Arizona State Parks plans to close the main boat ramp at Alamo Lake Nov. 1-25 to allow for dam repairs. Dates are subject to change. Cholla Ramp will remain open and is fully functional. Share this post Link to post Share on other sites