I've got a trip planned from the Bay Area to a camp near Yosemite (technically Groveland, CA). I will be there for 4 days total and do not believe I will have any access to a plug, though I will contact them and see if there's any chance that perhaps a 120v might be available. Bay Area to Manteca seems like a no-brainer in either direction. Starting out from Manteca though, according to rather conservative settings on EVTripPlanner (1.15x speed multiplier, 1000 lb payload, 28F temp differential), it looks like the 181 mile round trip to and from Groveland, CA in my P85D will require 56kWh (@ 307Wh/mile), so a full charge at Manteca should theoretically give me plenty of buffer: EV Trip Planner. Figuring the car will lose another ~4kW sitting there for 4 days, I should be around 60kW all told, which is well under the 76 kW I'll get with a full charge. Now, the weird thing is my average Wh/mile commuting on 101 with a much smaller payload, much less AC usage and little elevation change is closer to 340. The camping trip has an elevation increase (and then decrease) of ~4000 ft. So, one would *think* that 307Wh/mile is just not realistic, unless my average speed is really much lower than I expect it to be. So, I went crazy and chose super conservative settings (1.25x speed multiplier, 2000 lb payload, 40F temp differential) to get my Wh/mile up to 342. Still, it says I would use no more than 62kWh roundtrip to and from the Supercharger. Question is, should I trust EVTripPlanner? Would you feel comfortable doing this trip in a P85D with your family of 4, assuming you have no plug options at the destination and probably no patience to sit there slow charging at a PlugShare stop on the way back?