Trails are identified by a number, corresponding to the description on the trail listings page
The main (south) entrance to Lassen Volcanic National Park
along Highway 89 is 52 miles from Red Bluff on interstate 5, 150 miles from Reno and 150 miles from Sacramento. The north entrance by Manzanita Lake is 50 miles east of Redding.
PDF format map of Lassen Volcanic National Park
, from the National Park Service (6.5 mb). This is larger in filesize than most NPS maps, because of its background imagery.