Ponderosa Ranch entrepreneur David Duffield in 2004. In September 2004 he closed the Ponderosa "indefinitely". Ponderosa Ranch The Ponderosa Ranch was a theme park based on the popular 1960s television western "Bonanza", which housed the affluent land, timber and livestock-rich Cartwright family. The amusement park operated in Incline Village, Nevada, near Lake Tahoe, from 1967 until 2004. Portions of the last five seasons of the TV series and three TV movies were also filmed at that location. The Ponderosa was the fictional setting for "Bonanza". According to the 9th episode ("Mr. Henry Comstock") in the first season, it was a thousand-square mile
Movie ranch evenly split between movies and television episodes, were filmed at the ranch during its peak years. The long-running TV western "The Virginian" filmed on location at Iverson in the ranch's later period, as did "Bonanza" and "Gunsmoke." By the 1960s, the ownership of the ranch was split between two of Karl and Augusta's sons, with Joe Iverson, an African safari hunter married to Iva Iverson, owning the southern half of the ranch (the Lower Iverson) and Aaron Iverson, a farmer married to Bessie Iverson, owning the northern half (the Upper Iverson). In the mid-1960s the state of California began construction