2021 Hanalei Hill Landslide

Photo of landslide on March 11, 2021.

Information on the Hanalei Hill landslide on Kuhio Highway at Mile Marker 1 as a result of the March 2021 floods.

Access schedule

Access to Kuhio Highway (Route 560) past Mile Marker 1 leading to Hanalei Bridge is on the schedule below. Vehicles will be escorted through the work zone by a pilot vehicle. Please be advised that you will not be able to drive through the landslide work zone at times outside of the schedule.

Monday through Saturday

  • Morning access: 5:30 a.m. to 7:45 a.m. (Hanalei side goes first)
  • Afternoon access: 1:45 p.m. to 2:30 p.m. every day except Wednesdays (Princeville side goes first)
  • Wednesday afternoon access: 12:45 p.m. to 1:30 p.m. (Princeville side goes first)
  • Evening access: 5:30 p.m. to 11 p.m. (Princeville side goes first)
  • (Note, afternoon access was planned around Hanalei School schedule)

Sundays and observed State Holidays

  • 5:30 a.m. to 11 p.m. (Hanalei side goes first) 

Weight Restrictions

Due to concerns with loads on the highway above the landslide, vehicles in excess of 10 tons may not use Kuhio Highway between Kolopua Apartments and Hanalei Plantation Road, and must detour through Princeville via Ka Haku Road, Lei O Papa Road and Hanalei Plantation Road.

Due to concerns with loads on the highway below the landslide, Kuhio Highway between Hanalei Plantation Road and the Hanalei Bridge is restricted to 10 tons.

HDOT reminds motorists that the Hanalei Bridge is restricted to a weight limit of 15 tons.

Latest update

Work progress as of 4/14/2021:

  • 121 out of 500 planned soil nails to anchor slope have been drilled into place and grouted.
  • Top two rows have been substantially completed, working on third row.
  • Weight restriction to highway above the slide increased to 10 tons.
  • Design on lower portion of anchor wall and drainage system continues.
  • Smoke test to locate inlet of the water tunnel taking place Thursday, April 15, mid-morning.

HDOT Minutes from the Hanalei to Haena Community Association meetings

 

News releases

April 15, 2021 Weight threshold for Kuhio Hwy on Kauai’s North Shore increased to 10 tons

April 13, 2021 Smoke Testing for Hanalei Hill Landslide Project Scheduled for Thurs., April 15

March 31, 2021 March 31 update to schedule for public access to Kuhio Highway in Hanalei

March 18, 2021 Schedule for public access to Kuhio Highway in Hanalei

March 17, 2021 March 17 update on Kuhio Highway closures

March 16, 2021 March 16 update on Kuhio Highway closures

March 15, 2021 March 15 update on Kuhio Highway closures

March 14, 2021 March 14 update on Kuhio Highway closures

March 13, 2021 March 13 update on Kuhio Highway closures

March 12, 2021 March 12 update on Kuhio Highway closures

March 11, 2021 March 11 update on Kuhio Highway closures

March 10, 2021 Sections of Kuhio Highway on the north shore to remain closed until slopes stabilize