Heavy rains caused flash floods to surge down a rocky cliff in Zion National Park, Utah, on Monday, September 1, 2026. ^[1] Two siblings who inherited a 20.66-acre property in Rockville, Utah, after their brother died signed a perpetual conservation easement with the Virgin River Land Conservancy, permanently giving up development rights to keep the land undeveloped. ^[2] The flash floods occurred after heavy rains caused sudden flooding in the region. ^[3] Video footage captured the powerful flow of water cascading down the slope in Zion National Park. ^[4] The conservation easement prohibits commercial construction, housing developments, and residential subdivisions on the 20.66-acre parcel forever, and the restrictions will apply to all future owners. ^[5] The siblings decided to honor their late brother, who had originally bought the property because of its natural beauty and proximity to Zion National Park, by choosing conservation instead of selling to commercial developers in southern Utah's growing real estate market. ^[6] The Virgin River Land Conservancy said in an official announcement that the easement creates an environmental buffer along the southern edge of Zion National Park and is part of the Virgin River watershed. ^[7]