m01229: Lassen County, CA - July 9, 2019: Interpretive sign for Sulphur Works, a geothermal area in Lassen Volcanic National Park
m01229: Close up of a bubbling mud pot in the Sulphur Works area of Lassen Volcanic National Park, a geothermal feature
m01229: Close up of a bubbling mud pot in the Sulphur Works area of Lassen Volcanic National Park, a geothermal feature
m01229: Close up of a bubbling mud pot in the Sulphur Works area of Lassen Volcanic National Park, a geothermal feature
m01229: Bieber, California - July 9, 2019: Welcome sign to Bieber CA (formerly Chalk Ford), a small rural town in Lassen County
m01229: Melting frozen Emerald Lake in Lassen Volcanic National Park in California. Lots of snow remains in July
m01229: Frozen Emerald Lake in Lassen National Park with blue ice and snow, in California
m01229: Detailed close up view of teal water in a melting Emerald Lake in Lassen National Park
m01229: Detailed close up view of teal water in a melting Emerald Lake in Lassen National Park
m01229: Rock sediment in Lassen National Park, near the Sulphur Works area. California, USA
m01229: Lassen County, CA - July 9, 2019: Entrance sign for Lassen Volcanic National Park - Manzanita Lake entrance
m01229: Close up of a bubbling mud pot in the Sulphur Works area of Lassen Volcanic National Park, a geothermal feature
m01229: Chico, California - July 9, 2019: Hand holds a brochure for Lassen Volcanic National Park
m01229: Cute blonde tourist woman poses and stands next to a large mound of plowed snow in Lassen National Park California during summer
m01229: Close up of a frozen Emerald Lake in Lassen National Park with blue ice and snow
m01229: Frozen Emerald Lake in Lassen National Park with blue ice and snow
m01229: Frozen Emerald Lake in Lassen National Park with blue ice and snow, in California
m01229: Frozen Emerald Lake in Lassen National Park with blue ice and snow, in California. Sign warns of Danger, Thin Ice
m01229: Frozen Emerald Lake in Lassen National Park with blue ice and snow, in California.
m01229: Lassen National Park, California - July 9, 2019: Tourist clearly ignoring the Danger Thin Ice warning sign on Emerald Lake, Concept for accidents in National Parks
m01229: Happy, smiling woman tourist enjoys the overlook at Sulphur Works in Lassen National Park
m01229: Geothermal activity at the Sulphur Works overlook in Lassen National Park in California
m01229: Snow remains well into July in Lassen National Park in California
m01229: Lassen Volcanic National Park in July, with snow still in the mountains in the summer
m01229: Cute blonde tourist woman poses and stands next to a large mound of plowed snow in Lassen National Park California during summer
m01229: Cute blonde tourist woman poses and stands next to a large mound of plowed snow in Lassen National Park California during summer
m01229: Lassen National Park, CA - July 9, 2019: Hikers begin their ascent to Lassen Peak trail, despite the hiking trail being covered in snow in July
m01229: Lassen National Park California, with beautiful mountain scenery and snow, still around in summer