Milwaukee: US-41N to Oshkosh Hwy 45. Hwy 45N to Hwy10W (left lane merge). Hwy 10W to 2nd Fremont Exit, WI-49/WI-110, (Berlin/Fremont) Turn right on WI-110 go 1 mile and Jellystone Park is on the left.
Madison: Take US 151N to Waupun (56.1 mi). Slight RT onto WI-26N. Stay on WI-26N (22.5 mi) to Oshkosh, Left onto US-41N (5.5mi) to HWY45N. HWY-45N to HWY10W (14.8mi), Merge LFT on to HWY-10W and continue on HWY-10W to 2nd Fremont exit, WI-49/WI-110, (Berlin/Fremont) Turn right on WI-110 go .5 mi and Jellystone Park is on the left.
Eau Claire: WI-29E toward Green Bay (88mi), In Wausau take LFT ramp and merge on to US-51S/I-39S, continue on I-39S to Stevens Point (29.6mi), take exit 158 toward Waupaca, keep RT follow signs for US-10E, continue on US-10E (38.4mi) to WI-49 Berlin/Fremont exit, turn LFT on WI-110S/WI-49N (.5mi), Jellystone Park is on the left.