The 2023 SP&SRHS Convention was held Friday thru Sunday, September 8 -10 in Vancouver, Washington. The special tour included Vancouver Depot, Oregon Rail Heritage Center with tours of SP&S steam locomotive No. 700 and SP&S sleeper-lounge “Mt. Hood”, and a visit to the Columbia Gorge Model Railroad Club.
The 2024 SP&SRHS Convention is planned for September 2024, in Spokane, Washington. The dates will be set to allow members to also attend either NP or GN conventions, Sept. 10- 18. The tour will be at Inland Northwest Rail Museum, Reardon, Washington, home of the beautifully restored SP&S sleeper-lounge “Mt. St. Helens” and the last existing SP&S passenger diesel, F-7A No. 804.
For 2025, SP&SRHS will join together with the Great Northern Railway Historical Society and the the Northern Pacific Railway Historical Association to hold a joint convention of “The Hill Lines” in St. Paul, Minnesota.