Alert 1 , Severity ,caution ,, Expect smoky conditions in Yosemite
Expect poor air quality and limited visibility due to fires in Yosemite. Avoid strenuous exercise outdoors and remain indoors when possible. All areas of Yosemite are open, but Chilnualna Falls trail and some others south of Glacier Point Road are closed.
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Alert 2 , Severity ,information ,, Hantavirus pulmonary disease and plague
Wild animals can transmit numerous diseases. Avoid sleeping in rodent-infested areas or near animal burrows. If you see evidence of rodent activity in your room or other facility, contact staff (don't clean it up yourself). Keep food from wildlife.
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Rivers & Waterfalls: Vernal, Nevada, Bridalveil, and Yosemite Falls are flowing nicely, but well past peak flow. Use extreme caution anywhere near rivers and creeks.
The Empire Fire, which was ignited by lightning, is burning south of Bridalveil Creek Campground and is generating smoke in the park. (The campground is not threatened.) Check the fire blog for updates.
The South Fork Fire is burning one mile east of Wawona and is generating smoke in the park. Check the fire blog for updates.
Fires may occur spring through fall and Yosemite may be hazy due to fires elsewhere in California (read the latest fire news and check air quality).
Yosemite Valley: Open: Reservations required: Upper Pines, Lower Pines, and North Pines First-come, first served: Camp 4
Closed: None
Outside Yosemite Valley: Open: Reservations required: Wawona, Hodgdon Meadow, and Crane Flat First-come, first served: Tuolumne Meadows, Tamarack Flat, Porcupine Flat, and White Wolf
Closed: Yosemite Creek. Bridalveil Creek Campground is closed due to a fire.
Reservations are available up to five months in advance and are strongly recommended. If you don't have a reservation, get details about camping without a reservation.
Visit Yosemite Hospitality's website for lodging information. Reservations are available and recommended up to 366 days in advance.
Trails in Yosemite may be closed when there are hidden hazards or when they are impassable due to rock fall, snow, ice, or fire. Open trails aren't necessarily free of hazards--by entering the wilderness, you assume responsibility for your safety and must use good judgment. Trails not listed below are open, but may be snowy and very difficult to find from about November through May/June (and may have other hazards).
The Chilnualna Falls trail is closed at the trailhead due to the South Fork Fire, which is currently being suppressed but remains active.
The following trails are closed due to the Empire Fire:
Thetrailis closed from near Bridalveil Creek Campground to the junction of the Deer Camp trail.
The trail is closed through Westfall Meadows from Glacier Point Road to the Empire Meadows junction.
The trail is closed from Bridalveil Creek Campground to the first junction of the trail from the Ostrander Lake trailhead.
Due to bear activity along the Snow Creek trail and the potential for bear/human interactions the area to the south and east of the footbridge is closed to overnight camping and unattended food (even if stores properly). The National Park Service will continue to monitor the bears' activity and will re-open the area to camping as soon as possible. The trails and areas are open to day hiking.
The Half Dome cables are up for the season; they will remain up through October 10, 2017.A permit is required to hike to the top of Half Dome when the cables are up.
Trails in the Mariposa Grove are closed due to a restoration project.
