California Highway 89

Eastern Mojave Vegetation	California Highway 89
	Tom Schweich

California Highway 89 winds its way through northeastern California from US Interstate 5 at Mount Shasta, through Lassen National Park, and past Lake Tahoe before ending at U. S. Highway 395 on the West Walker River near the Nevada border.

Other articles:
• U. S. Interstate 5: south of Mount Shasta;

Locations: Mount Shasta (town).

Mt. Shasta

Junction: US I-5

Locations: McCloud.

McCloud

Junction: CA Hwy 299

Locations: Hat Creek.

Hat Creek

Other articles:
• Field Notes: October 1980;

Locations: Subway Cave Lava Tubes.
Trail to Subway Cave.

Junction: Lassen National Forest

Forest Road 33N44 - Cave Campground, west side of highway.
Forest Road 33N92 - Subway Caves, east side of highway.

Inside Subway Caves.

Other articles:
• California Highway 44: at CA 89 N;

Junction: California Highway 44, east toward Susanville. Also access to Butte Lake and Cinder Cone in the north part of Lassen Volcanic National Park.

Locations: Old Station.

Old Station

Locations: Big Spring.

Big Spring

Lassen National Park Below.

Other articles:
• California Highway 44: at CA 89 S;

Junction: California Highway 44, west to Redding.

Hot Rock

Other articles:
• Field Notes: at Lassen;

Locations: Chaos Crags. Lassen National Park.
Chaos Crags at Emigrant Pass.

Emigrant Pass

Orientation stop at Emigrant Pass.

Lassen Peak.

Chaos Crags from Emigrant Pass.

Lassen Peak (?) from … … where?

View of Chaos Crags from Emigrant Pass.

Summit Lake

Other articles:
• Field Notes: at Lassen;

Locations: Bumpass Hell.
Bumpass Hell.

View of Bumpass Hell.

View of Bumpass Hell

Bumpass Hell Trailhead

Sulphur Works

Lassen National Park above.

Other articles:
• California Highway 36: at CA 89 N;

Junction: California Highway 36, west to US Interstate 5 at Red Bluff.

Junction: CA Hwy 32

Other articles:
• California Highway 36: at CA 89 S;

Junction: California Highway 36, east to Susanvile.

Junction: CA Hwy 147

Greenville

Crescent Mills

Junction: California Highway 207, Plumas County A22

Indian Mills

Other articles:
• California Highway 70: at CA Hwy 89 N;

Junction: CA Hwy 70 W

Keddie

Butterfly Valley

Locations: Quincy.

Quincy

Other articles:
• California Highway 70: Blairsden;

Junction: CA Hwy 70 East

Locations: Graeagle.
Bathers in Graeagle Lake.

Graeagle

Junction: Plumas County Road A 15

Sierra County, California

Nevada County, California

Calpine

Other articles:
• California Highway 49: 17700;

Junction: California Highway 49 South

Other articles:
• California Highway 49: Sierraville;

Locations: Sierraville.

Sierraville

Junction California Highway 49 North

Plumas County, California

Sierra County, California

Other articles:
• Interstate 80: at CA Hwy 89 North;

Junction: US I-80 East

Other articles:
• Interstate 80: at CA Hwy 89 South;

Junction: US Interstate 80, west, over Donner Summit, to Sacramento and San Francisco.

Nevada County, California

Placer County, California

Locations: Squaw Valley.

Squaw Valley

Ski area.

Literature Cited:
- Schweickert, Richard A, Mary M. Lahren, Robert Karlin, Jim Howle, and Ken Smith, 2000.

Tahoe City Lumber Company

At this location, Stop 12, Tahoe City, in Schweickert et al. (2000), can be viewed evidence of early lakes in the basin and the formation of lava dams.

Other articles:
• California Highway 28: atCA Hwy 89;

Locations: Tahoe City.

Tahoe City

Junction: California Highway 28, north and east around the north shore of Lake Tahoe.

California Highway 89 continues south along the west shore of Lake Tahoe.

Kaspian exit, Blackwood Canyon Road, exit here for trail to top of Eagle Rock.

Locations: Idlewild.

Idlewild

Small town on west shore of Lake Tahoe, called out here for the adjacent Eagle Rock.

Literature Cited:
- Schweickert, Richard A, Mary M. Lahren, Robert Karlin, Jim Howle, and Ken Smith, 2000.

Locations: Eagle Rock.

Eagle Rock

Eagle Rock at the mouth of Blackwood Canyon is made of volcanic breccia with angular to rounded fragments of scoriaceous black latite or basalt, and sparse andesite. It is Stop 11 in Schweickert, et al. (2000), p. 18).

Use trail from Blackwood Canyon Road to climb Eagle Rock.

Locations: Tahoe Pines.

Tahoe Pines

Small town on the northern end of McKinney Bay of Lake Tahoe.

Literature Cited:
- Schweickert, Richard A, Mary M. Lahren, Robert Karlin, Jim Howle, and Ken Smith, 2000.

Locations: McKinney Bay.

McKinney Bay

Bay on the western side of Lake Tahoe. Thought to be underlain by a very large landslide that created a huge tsunami in Lake Tahoe (Schweickert, et al., 2000).

Locations: Homewood.

Homewood

Ski area.

Placer County, California

El Dorado County, California

Literature Cited:
- Schweickert, Richard A, Mary M. Lahren, Robert Karlin, Jim Howle, and Ken Smith, 2000.

Locations: Sugar Pine Point.

Sugar Pine Point

Sugar Pine Point is thought to be a erosional feature from a tsunami on Lake Tahoe (Schweickert, et al., 2000, p. 17).

Literature Cited:
- Schweickert, Richard A, Mary M. Lahren, Robert Karlin, Jim Howle, and Ken Smith, 2000.

Ehrman Mansion Picnic Area.

This is Stop 10, Sugar Pine Point in Schweickert, et al. (2000), p. 16. Evidence for a large tsunami generated by a megalandslide at McKinney Bay is found here.

Locations: Meeks Bay.

Meeks Bay

Literature Cited:
- Schweickert, Richard A, Mary M. Lahren, Robert Karlin, Jim Howle, and Ken Smith, 2000.

Lateral moraine forms the south limb of Meeks Bay. Follow subdivision roads onto the crest of the Tahoe-age right lateral moraine. Park at the end of the road. This is Stop 9, Meeks Bay right lateral moraines in Schweickert, et al. (2000), p. 16.

Literature Cited:
- Schweickert, Richard A, Mary M. Lahren, Robert Karlin, Jim Howle, and Ken Smith, 2000.

The parking area just north of Eagle Creek is Stop 8, Emerald Bay -- Vikingsholm viewpoint in Schweickert, et al (2000), p. 15.

Literature Cited:
- Schweickert, Richard A, Mary M. Lahren, Robert Karlin, Jim Howle, and Ken Smith, 2000.

Locations: Emerald Bay.

Emerald Bay

Emerald Bay occupies a glacial valley and an end moraine forms the mouth of the bay (Schweickert, et al., 2000, p. 15).

Emerald Bay State Park

Emerald Bay occupies a glacial valley and an end moraine forms the mouth of the bay.

Other articles:
• U. S. Highway 50: at CA Hwy89 North;

Junction: US Highway 50, east to Stateline, Nevada, to Carson City, and across Nevada to Utah.

Other articles:
• U. S. Highway 50: at CA Hwy 89 South;

Junction: US Highway 50, west over Echo Summit to Sacramento, California.

Locations: Luther Pass.

Luther Pass

Other articles:
• Field Notes: 31-Jul-04;

Locations: Hope Valley.
Hope Valley in Summer 1954

Upper Carson Valley in Summer 1954

Hope Valley, looking southwest from CA Hwy 89.

Other articles:
• California Highway 88: 80000;

Junction: California Highway 88, west over Carson Pass through Jackson, California, to Stockton, California.

Sorenson's

Other articles:
• California Highway 88: 84800;

Junction: California Highway 88, east into the Carson Valley and US Highway 395 near Minden, Nevada.

Locations: Markleeville.

Markleeville

Other articles:
• California Highway 4: 90000;

Mt. Bullion

Junction: California Highway 4, west over Ebbets Pass to Angels Camp, California, and then to Stockton, California.

Other articles:
• Loope Canyon Road: at CA Hwy 89;

Junction: Loope Canyon Road

Loope

Locations: Heenan Lake.

Heenan Lake

Locations: Sagehen Flat.

Sagehen Flat

Other articles:
• Leviathan Mine Road: at CA 89;

Junction: Leviathan Mine Road, generally north past the Leviathan Mine then turning east in Nevada to join US Highway 395 at Double Spring Flat.

Sagehen Flat and Heenan Lake, looking south.

Silver Peak from Monitor Pass.

Other articles:
• Field Notes: 31-Jul-04;

Locations: Monitor Pass.
Monitor Pass with Leviathan Peak in the background.

Other articles:
• F. R. 31083, "Big Spring Loop": at CA 89 W;

Junction: F. R. 31083, "Big Spring Loop", north several miles along the west flank of Leviathan Peak, before turning east through the Poison Creek and Mountaineer Creek drainages, finally returning to CA Hwy 89 east of Leviathan Peak.

Locations: Monitor Pass.

Monitor Pass

Other articles:
• F. R. 31083, "Big Spring Loop": at CA 89 E;
• Field Notes: 31-Jul-04;
Wyoming Indian Paintbrush (Castilleja linariifolia) near Monitor Pass.

Junction: F. R. 31083, "Big Spring Loop", to Big Spring and the headwaters of Mountaineer Creek.

This paintbrush (Castilleja linariifolia) was collected in the little vallry just north of here.

Other articles:
• Field Notes: 31-Jul-04; 31-Jul-04;

Locations: Sweetwater Mountains.
Sweetwater Mountains and Antelope Valley.

Slinkard Valley

Overlook of the Sweetwater Mountains, Antelope Valley, and Slinkard Valley.

Literature Cited:
- Anonymous, 2016.

Other articles:
• Field Notes: Nevada Appeal, 10 Feb 2016;
Map of road over Monitor Pass

From the Nevada Appeal, 10 February 2016:

Completion of 17 1/2 miles of new highway which connects by a more direct route the county seats of Bridgeport in Mono County and Markleeville in Alpine County will be celebrated by the boards of supervisors of the two counties with a dedication ceremony Sunday, when the new road will be opened formally to traffic.
The new highway, built over tortuous mountain terrain, extends from US 395 north of Coleville in Mono County to the Ebbetts Pass Highway south of Markleeville in Alpine. It has been designated a portion of State Route 89.
Hitherto, the only feasible route between Bridgeport and Markleeville was via Gardnerville, 27 miles longer than the new route.
The highway will provide more direct access from southern California to the recreational areas in the vicinity of Markleeville and Lake Tahoe, and to Carson City.

Other articles:
• Field Notes: 31-Jul-04;
• U. S. Highway 395: at CA Hwy 89;
Beginning of CA Highway 89 at US Hwy 395.

Junction: U. S. Highway 395

If you have a question or a comment you may write to me at: tomas@schweich.com I sometimes post interesting questions in my FAQ, but I never disclose your full name or address.

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Date and time this article was prepared: 11/3/2024 5:21:45 PM