Is this a good for younger kids?

I think so. The resort doesn't have lots of stuff for kids like water slide or anything. The big unheated pool is nice and the hot springs are unique. What makes them both special is the surrounding scenery. What also makes the place special is that the trails around the resort are pretty easy and are gorgeous. Take a hike down to Sol Duc Falls and your kids will probably be floored. The whole trail feels like a home through Middle Earth. Is otherworldly.

There is a small pool for small children and it's shallow. The cold main pool can be used for kids. It's a great place for families. Lots of hikes and so scenic.

Depends on the age of the child (ren)

There is a kiddie hot spring that your kid (if big toddler or younger) will have to stay in with supervision. They don't allow small kids in pools with adults for obvious reasons. There is also a large, regular, cold pool that kids can play in with floaties.

There were families with small children when we visited. The downside is you need to be with your children and the lifeguards don't allow them in the hotter pools. There is one hot tub kid temperature and one pool (cold) so as long as you can take turns with your coparent you can go into the hot ones. Very family friendly.

If it is a hot summer month there is a pool that isn't heated and the hot tubs. If it is not hot out, the hot tubs are only so interesting to younger kids. There are a few trails that a small child could walk and a river they could play beside if they enjoy that.