Sequoia National Park Map (Sequoia National Park's website) 

Online mapping tools, click: SEKI map options

Two entrances from Visalia -
Sequoia National Park from Highway 198
Kings Canyon National Park from State Route 63 to Highway 180

General's Highway connects both parks together,
check for closure of the road in the winter months - Current Conditions

NOTE: SEQUOIA SHUTTLE WILL NOT OPERATE DURING SUMMER 2020. 

Sequoia Shuttle service operates from Memorial Day to Labor Day in summer season, book your ride here: Sequoia Shuttle Reservations