Riverside Park - Boat Slide & BMX

Riverside Dr. E. & 78th St. Ct.
Sumner, WA 98390 (map)


Located at Riverside Road and 78th Street Court in Sumner, Riverside Park is an undeveloped 50-acre scenic waterfront site along the Puyallup River. 


Park Amenities:

  • boat slide access to fresh water
  • four disc golf courses, the majority of undeveloped forested area is outfitted with teeing areas and baskets
  • seasonal bicycle motocross concession (home of the River Valley BMX)
  • parking area

The Boat Slide (launch/takeout) at Riverside Park is open for public use beginning Saturday, August 24, 2019. The "Slide" is designed for the "hand-launch" of boats such as kayaks, drift boats, and inflatable rafts. 


  • Access to the slide is by permit use only. 
  • The boat slide is available for use each year from
    March 1 through October 31.

Enjoy your time on the Puyallup River and stay safe!

  1. Acquire a Permit
  2. Rules & Responsibilities
  3. Safety Tips

To acquire a permit:

  • Permits are available with 24 hour advance notification
  • Contact 253-798-4177 from 8:00 AM - 9:00 PM, 7 days a week.
  • On each permit, you must provide the number of boats and names of additional persons in your party. Permit holder is responsible for gate access and everyone in the group.
  • You will be given a combination to the boat slide gate at the time your permit is issued.
  • Keep a copy of your permit with you (electronic or paper) when you are using the boat slide. Upon request, if you are unable to produce a valid permit you may be asked to vacate premises, face possible charges/fines and may lose future permit privileges.
  • Riverside gates are open approximately 1/2 hour before sunrise and 1/2 after sunset. All cars must be out of the park at this time or risk being towed at owners expense.

Riverside Park BMX


Bicycle motocross is at its best here. For more information on River Valley Track please call (253) 863-1608 or visit the River Valley BMX website.

Track Location


  • From the north or Renton area, go south on state Highway 167 to Sumner
  • From south on I-5 exit onto state Hgwy 512, travel to Puyallup and then Sumner
  • From Tacoma, exit 1-5 at the Tacoma Dome onto River Road for Puyallup and then to Sumner Highway 410
  • From state Highway 410, exit toward Orting, take the first left onto Riverside Drive east
  • Follow Riverside Drive east one mile to Riverside Park entrance on your right