Mount Disappointment is a mountain peak on the frontier near Miradero. The peak is so named for the feeling felt by those first to summit the mountain when, upon reaching the top, they saw an even higher mountain on the other side. Abigail desires to climb Mount Disappointment in hopes it will impress the leadership of the Frontier Fillies enough to give Miradero an official herd.[1]

The PALs had difficulty deciding whether to go to Mount Disappointment (Abigail's choice) or Greynold Geyser (Pru's preference) on their first major expedition together, until Lucky decided they should go to the orphanage to try to deliver Kate and Jim's wedding invitation.[1]


  1. 1.0 1.1 "Lucky and the Doomed Delivery"
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