Great Sand Dunes National Park & Preserve #grsa #nationalpark
⛔ Park Closure ⛔
Issued: 12/4/2025 12:00 AM EST
Visitor Center Delayed Opening at 10 am Thur. Dec. 4th due to Snow.
The Great Sand Dunes Visitor Center hours today will be 10 am to 4:30 pm to allow park staff time to (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
⚠️ Caution ⚠️
Issued: 11/13/2025 12:00 AM EST
Medano Pass Primitive Road Impassible to Most Vehicles at Crossing Two
Driving the Medano Primitive Road is NOT ADVISED at this time. Erosion and deep mud near the second (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
ℹ️ Information ℹ️
Issued: 10/12/2025 12:00 AM EDT
What to Expect During Government Funding Lapse
In general, other areas within this park remain as accessible as possible. Visitors should be aware that while some (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
ℹ️ Information ℹ️
Issued: 8/11/2025 6:10 PM EDT
Trail CLOSED Between Visitor Center and Montville Trailhead
The access train that leads from the visitor center to the Montville and Mosca Pass Trails is CLOSED due to (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
ℹ️ Information ℹ️
Issued: 8/11/2025 5:48 PM EDT
Trail CLOSED Between Visitor Center and Montville Trailhead
The access train that leads from the visitor center to the Montville and Mosca Pass Trails is CLOSED due to (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
⚠️ Caution ⚠️
Issued: 8/4/2025 6:54 PM EDT
Air Quality at MODERATE Due to Smoky Conditions
For Unusually Unusually sensitive people: Consider making outdoor activities shorter and less intense. Watch for symptoms such as (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
ℹ️ Information ℹ️
Issued: 7/30/2025 3:51 PM EDT
Junior Ranger Day Event CHANGED to Saturday August 16th 9 am to 1 pm
The park changed the original date of Aug. 2 and has moved the event to Aug. 16th due to staffing (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
⛔ Park Closure ⛔
Issued: 7/23/2025 8:44 PM EDT
Medano Primitive Road CLOSED Due to Flood Damage Between Castle Creek & Medano Pass
Flooding on July 22nd covered many sections of the Medano Primitive Rd. with debris, and (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
⛔ Park Closure ⛔
Issued: 7/23/2025 4:28 PM EDT
Medano Primitive Road CLOSED Due to Flood Damage Between Castle Creek & Medano Pass
Flooding on July 22nd covered many sections of the Medano Primitive Rd. with debris, and (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
⛔ Park Closure ⛔
Issued: 7/23/2025 10:41 AM EDT
Medano Primitive Road CLOSED due to Flood Damage Between Castle Creek & Medano Pass
Heavy rain during a severe thunderstorm over the mountainous regions of the park on the (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
⛔ Park Closure ⛔
Issued: 7/23/2025 9:04 AM EDT
Medano Primitive Road CLOSED due to Flood Damage Between Castle Creek & Medano Pass
Heavy rain during a severe thunderstorm over the mountainous regions of the park on the (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
⛔ Park Closure ⛔
Issued: 7/22/2025 7:02 PM EDT
Medano Primitive Road CLOSED due to Flash Flooding North and East of Castle Creek
A heavy rain and a severe thunderstorm over the mountainous regions of the park on the (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
⚠️ Caution ⚠️
Issued: 6/30/2025 12:50 PM EDT
Mountain Lion Sightings on Dunes Overlook Trail
A juvenile mountain lion (cougar) sighting has been reported along the Dunes Overlook Trail area between the Pinon Flats (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
⚠️ Caution ⚠️
Issued: 6/7/2025 6:03 PM EDT
Busy Weekend Conditions - Drive SLOWLY - Pedestrians Walking Along Park Roads
Spring weekends can be busy with full parking lots, and many pedestrians walking along the road and (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
⚠️ Caution ⚠️
Issued: 6/3/2025 2:46 PM EDT
Mountain Lion Sightings on Dunes Overlook Trail
A juvenile mountain lion (cougar) sighting has been reported along the Dunes Overlook Trail area between the Pinion Flats (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
ℹ️ Information ℹ️
Issued: 5/25/2025 5:33 PM EDT
ENTRANCE STATION Update 3:30 pm Sun May 25th -- 10-Minute Wait Time
As of 12:30 pm the wait time at the entrance station is 20 minutes. Please have your form of payment (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
ℹ️ Information ℹ️
Issued: 5/25/2025 5:30 PM EDT
PARKING Update 3:30 pm Sun May 25th - Limited Parking Available- Watch for Rangers Directing Traffic
As of 3:30 pm a few spots are opening up at the Dunes and Visitor (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
⚠️ Caution ⚠️
Issued: 5/25/2025 2:47 PM EDT
Muddy Washout Near Jctn. Mendano Creek Trailhead Spur on Medano 4WD Road
A washout is causing many vehicles to become stuck in the upper reaches of the Medano Primitive Road. (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
ℹ️ Information ℹ️
Issued: 5/25/2025 2:43 PM EDT
ENTRANCE STATION Update 12:30 pm Sun May 25th -- 20-Minute Wait Time
As of 12:30 pm the wait time at the entrance station is 20 minutes. Please have your form of payment (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
ℹ️ Information ℹ️
Issued: 5/25/2025 2:31 PM EDT
PARKING Update 12:30 pm Sun May 25th - All Parking Lots FULL - Watch for Rangers Directing Traffic
As of 11:00 am the Main Dunes Lot, Montville Trailhead, Visitor Center, (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
ℹ️ Information ℹ️
Issued: 5/25/2025 1:17 PM EDT
ENTRANCE STATION Update 11:00 am Sun May 25th -- 20-Minute Wait Time
As of 11:00 am the wait time at the entrance station is 20 minutes. Please have your form of payment (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
ℹ️ Information ℹ️
Issued: 5/25/2025 1:10 PM EDT
PARKING Update 11:00 am Sun May 25th - All Parking Lots FULL - Watch for Rangers Directing Traffic
As of 11:00 am the Main Dunes Lot, Montville Trailhead, and Visitor (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
ℹ️ Information ℹ️
Issued: 5/25/2025 12:04 PM EDT
PARKING Update 10:00 am Sun May 25th - Dunes Lot and Roadside Parking FULL - Watch for Rangers
As of 10:00 am the Main Dunes Lot and roadside shoulder parking is FULL. (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
ℹ️ Information ℹ️
Issued: 5/25/2025 11:36 AM EDT
PARKING Update 09:00 am Sun May 25th - Dunes Parking Lot FULL. Watch for Rangers Directing Traffic
As of 09:00 am the Main Dunes Lot is FULL. Please watch for rangers (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
ℹ️ Information ℹ️
Issued: 5/25/2025 11:30 AM EDT
ENTRANCE STATION Update 09:30 am Sun May 25th -- 25-Minute Wait Time
As of 09:30 am the wait time at the entrance station is 25-minutes. Please have your form of payment (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
ℹ️ Information ℹ️
Issued: 5/25/2025 11:16 AM EDT
PARKING Update 09:00 am Sun. May 25 - Dunes Parking Lot FULL. Watch for rangers directing Traffic
As of 09:00 am the Main Dunes Lot is FULL. Please watch for rangers (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
ℹ️ Information ℹ️
Issued: 5/25/2025 11:12 AM EDT
ENTRANCE STATION Update 09:00 am Sun May 25. 15-20 Minute Wait
As of 09:00 am the wait time at the entrance station is 15-20 minutes. Please have your form of payment (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
⚠️ Caution ⚠️
Issued: 5/24/2025 7:43 PM EDT
Muddy Washout near Mendano Creek Trailhead spur JCT on Medano 4WD Road
A washout is causing many vehicles to become stuck in the upper reaches of the Medano Primitive Road. 4WD (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
ℹ️ Information ℹ️
Issued: 5/24/2025 5:10 PM EDT
Park Entrance Station Update Sat. May 24 3:00 pm - 25 - minute wait time, 2 lanes open
As of 3:00 pm expect a 25-minute wait time at the entrance station, 2 are lanes open. (1/2)
Great Sand Dunes National Park & Preserve #grsa #nationalpark
ℹ️ Information ℹ️
Issued: 5/24/2025 5:01 PM EDT
PARKING update Sat May 24 3:00 pm Dunes, Visitor Center, and all parking lots are FULL
The Dunes Parking Lots, Visitor Center Parking Lot and all other lots or is FULL. - (1/2)
